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20202112210210 = 2572147712791199
BaseRepresentation
bin1001001011111101010111…
…01110001101010100100010
32122112022011221020120211221
410211332223232031110202
510121442411211211320
6110544420000125254
74153361113326100
oct445765356152442
978468157216757
1020202112210210
116489738747007
12232337a60682a
13b370880a7628
144dbb04a86c70
152507839853aa
hex125fabb8d522

20202112210210 has 48 divisors (see below), whose sum is σ = 42303628166400. Its totient is φ = 6925967069280.

The previous prime is 20202112210139. The next prime is 20202112210223. The reversal of 20202112210210 is 1201221120202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5842191 + ... + 8633389.

It is an arithmetic number, because the mean of its divisors is an integer number (881325586800).

Almost surely, 220202112210210 is an apocalyptic number.

20202112210210 is an abundant number, since it is smaller than the sum of its proper divisors (22101515956190).

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

20202112210210 is a wasteful number, since it uses less digits than its factorization.

20202112210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805991 (or 2805984 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20202112210210 its reverse (1201221120202), we get a palindrome (21403333330412).

The spelling of 20202112210210 in words is "twenty trillion, two hundred two billion, one hundred twelve million, two hundred ten thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 14771 29542 73855 103397 147710 206794 516985 723779 1033970 1447558 2791199 3618895 5582398 7237790 13955995 19538393 27911990 39076786 97691965 136768751 195383930 273537502 683843755 1367687510 41228800429 82457600858 206144002145 288601603003 412288004290 577203206006 1443008015015 2020211221021 2886016030030 4040422442042 10101056105105 20202112210210