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20200122210 = 2351012149443
BaseRepresentation
bin10010110100000001…
…010110011101100010
31221010210002112022110
4102310001112131202
5312332212402320
613140234420150
71313402130402
oct226401263542
957123075273
1020200122210
118626495884
123ab8b91656
131b9bca5748
14d98ada802
157d35eb5e0
hex4b4056762

20200122210 has 96 divisors (see below), whose sum is σ = 49404945600. Its totient is φ = 5285612800.

The previous prime is 20200122197. The next prime is 20200122247. The reversal of 20200122210 is 1222100202.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45598249 + ... + 45598691.

It is an arithmetic number, because the mean of its divisors is an integer number (514634850).

Almost surely, 220200122210 is an apocalyptic number.

20200122210 is an abundant number, since it is smaller than the sum of its proper divisors (29204823390).

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

20200122210 is a wasteful number, since it uses less digits than its factorization.

20200122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 703 counting only the distinct ones).

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

Adding to 20200122210 its reverse (1222100202), we get a palindrome (21422222412).

The spelling of 20200122210 in words is "twenty billion, two hundred million, one hundred twenty-two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 101 149 202 298 303 443 447 505 606 745 886 894 1010 1329 1490 1515 2215 2235 2658 3030 4430 4470 6645 10201 13290 15049 20402 30098 30603 44743 45147 51005 61206 66007 75245 89486 90294 102010 132014 134229 150490 153015 198021 223715 225735 268458 306030 330035 396042 447430 451470 660070 671145 990105 1342290 1519949 1980210 3039898 4519043 4559847 6666707 7599745 9038086 9119694 13333414 13557129 15199490 20000121 22595215 22799235 27114258 33333535 40000242 45190430 45598470 66667070 67785645 100000605 135571290 200001210 673337407 1346674814 2020012221 3366687035 4040024442 6733374070 10100061105 20200122210