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20010202016 = 25789331259
BaseRepresentation
bin10010101000101100…
…110111001110100000
31220122112201120210012
4102220230313032200
5311440102431031
613105332024052
71305604624250
oct225054671640
956575646705
1020010202016
118539267a42
123a65462028
131b6b83a42c
14d7b7bd960
157c1ad3b2b
hex4a8b373a0

20010202016 has 24 divisors (see below), whose sum is σ = 45022955040. Its totient is φ = 8575800768.

The previous prime is 20010201989. The next prime is 20010202033. The reversal of 20010202016 is 61020201002.

It is a super-2 number, since 2×200102020162 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44665406 + ... + 44665853.

It is an arithmetic number, because the mean of its divisors is an integer number (1875956460).

Almost surely, 220010202016 is an apocalyptic number.

It is an amenable number.

20010202016 is an abundant number, since it is smaller than the sum of its proper divisors (25012753024).

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

20010202016 is an equidigital number, since it uses as much as digits as its factorization.

20010202016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89331276 (or 89331268 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20010202016 its reverse (61020201002), we get a palindrome (81030403018).

The spelling of 20010202016 in words is "twenty billion, ten million, two hundred two thousand, sixteen".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 89331259 178662518 357325036 625318813 714650072 1250637626 1429300144 2501275252 2858600288 5002550504 10005101008 20010202016