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2020122110100 = 2235213691491837
BaseRepresentation
bin11101011001011000101…
…010010010100010010100
321011010021210010221210010
4131121120222102202110
5231044202230010400
64144010431400220
7265643336422053
oct35313052224224
97133253127703
102020122110100
117098022a2a46
1228761a983070
1311865c3244b3
146dabb08039a
1537834819450
hex1d658a92894

2020122110100 has 72 divisors (see below), whose sum is σ = 5845325437728. Its totient is φ = 538658787200.

The previous prime is 2020122110059. The next prime is 2020122110107. The reversal of 2020122110100 is 10112210202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020122110107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3861382 + ... + 4353218.

It is an arithmetic number, because the mean of its divisors is an integer number (81185075524).

Almost surely, 22020122110100 is an apocalyptic number.

2020122110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020122110100 is an abundant number, since it is smaller than the sum of its proper divisors (3825203327628).

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

2020122110100 is a wasteful number, since it uses less digits than its factorization.

2020122110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505545 (or 505538 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2020122110100 its reverse (10112210202), we get a palindrome (2030234320302).

The spelling of 2020122110100 in words is "two trillion, twenty billion, one hundred twenty-two million, one hundred ten thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 13691 27382 41073 54764 68455 82146 136910 164292 205365 273820 342275 410730 491837 684550 821460 983674 1026825 1369100 1475511 1967348 2053650 2459185 2951022 4107300 4918370 5902044 7377555 9836740 12295925 14755110 24591850 29510220 36887775 49183700 73775550 147551100 6733740367 13467480734 20201221101 26934961468 33668701835 40402442202 67337403670 80804884404 101006105505 134674807340 168343509175 202012211010 336687018350 404024422020 505030527525 673374036700 1010061055050 2020122110100