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2020210220100 = 2235217491806761
BaseRepresentation
bin11101011001011101111…
…010011001110001000100
321011010111220221101222110
4131121131322121301010
5231044342304020400
64144023300101020
7265645456353402
oct35313572316104
97133456841873
102020210220100
11709848003326
12287644394770
131186746640a7
146dac8a58472
153783c420e50
hex1d65de99c44

2020210220100 has 144 divisors (see below), whose sum is σ = 6201585948096. Its totient is φ = 505999872000.

The previous prime is 2020210220099. The next prime is 2020210220101. The reversal of 2020210220100 is 10220120202.

It is an interprime number because it is at equal distance from previous prime (2020210220099) and next prime (2020210220101).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2020210220101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2100720 + ... + 2907480.

It is an arithmetic number, because the mean of its divisors is an integer number (43066569084).

Almost surely, 22020210220100 is an apocalyptic number.

2020210220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020210220100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3100792974048).

2020210220100 is an abundant number, since it is smaller than the sum of its proper divisors (4181375727996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020210220100 is a wasteful number, since it uses less digits than its factorization.

2020210220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807286 (or 807279 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2020210220100 its reverse (10220120202), we get a palindrome (2030430340302).

It can be divided in two parts, 20202102 and 20100, that added together give a palindrome (20222202).

The spelling of 2020210220100 in words is "two trillion, twenty billion, two hundred ten million, two hundred twenty thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 25 30 34 50 51 60 68 75 85 100 102 150 170 204 255 300 340 425 491 510 850 982 1020 1275 1473 1700 1964 2455 2550 2946 4910 5100 5892 7365 8347 9820 12275 14730 16694 24550 25041 29460 33388 36825 41735 49100 50082 73650 83470 100164 125205 147300 166940 208675 250410 417350 500820 626025 806761 834700 1252050 1613522 2420283 2504100 3227044 4033805 4840566 8067610 9681132 12101415 13714937 16135220 20169025 24202830 27429874 40338050 41144811 48405660 54859748 60507075 68574685 80676100 82289622 121014150 137149370 164579244 205724055 242028300 274298740 342873425 396119651 411448110 685746850 792239302 822896220 1028620275 1188358953 1371493700 1584478604 1980598255 2057240550 2376717906 3961196510 4114481100 4753435812 5941794765 6734034067 7922393020 9902991275 11883589530 13468068134 19805982550 20202102201 23767179060 26936136268 29708973825 33670170335 39611965100 40404204402 59417947650 67340340670 80808408804 101010511005 118835895300 134680681340 168350851675 202021022010 336701703350 404042044020 505052555025 673403406700 1010105110050 2020210220100