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2020210122120 = 233582720356813
BaseRepresentation
bin11101011001011101111…
…010000001110110001000
321011010111220202102120120
4131121131322001312020
5231044342242401440
64144023254023240
7265645455464631
oct35313572016610
97133456672516
102020210122120
11709847a46753
12287644347b20
1311867462b608
146dac8a30888
153783c401dd0
hex1d65de81d88

2020210122120 has 64 divisors (see below), whose sum is σ = 6067959117120. Its totient is φ = 538071254784.

The previous prime is 2020210122101. The next prime is 2020210122149. The reversal of 2020210122120 is 212210120202.

It is a super-2 number, since 2×20202101221202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2020210122120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10079167 + ... + 10277646.

It is an arithmetic number, because the mean of its divisors is an integer number (94811861205).

Almost surely, 22020210122120 is an apocalyptic number.

2020210122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020210122120 is an abundant number, since it is smaller than the sum of its proper divisors (4047748995000).

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

2020210122120 is a wasteful number, since it uses less digits than its factorization.

2020210122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20357654 (or 20357650 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2020210122120 its reverse (212210120202), we get a palindrome (2232420242322).

The spelling of 2020210122120 in words is "two trillion, twenty billion, two hundred ten million, one hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 827 1654 2481 3308 4135 4962 6616 8270 9924 12405 16540 19848 24810 33080 49620 99240 20356813 40713626 61070439 81427252 101784065 122140878 162854504 203568130 244281756 305352195 407136260 488563512 610704390 814272520 1221408780 2442817560 16835084351 33670168702 50505253053 67340337404 84175421755 101010506106 134680674808 168350843510 202021012212 252526265265 336701687020 404042024424 505052530530 673403374040 1010105061060 2020210122120