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20012222202 = 237268068783
BaseRepresentation
bin10010101000110100…
…100100011011111010
31220122200112012221220
4102220310210123322
5311441112102302
613105443212510
71305631040100
oct225064443372
956580465856
1020012222202
11853a417815
123a66077136
131b6c096acb
14d7bb87c70
157c1d824bc
hex4a8d246fa

20012222202 has 24 divisors (see below), whose sum is σ = 46559048256. Its totient is φ = 5717777688.

The previous prime is 20012222189. The next prime is 20012222249. The reversal of 20012222202 is 20222221002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34034098 + ... + 34034685.

It is an arithmetic number, because the mean of its divisors is an integer number (1939960344).

Almost surely, 220012222202 is an apocalyptic number.

20012222202 is an abundant number, since it is smaller than the sum of its proper divisors (26546826054).

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

20012222202 is a wasteful number, since it uses less digits than its factorization.

20012222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68068802 (or 68068795 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20012222202 its reverse (20222221002), we get a palindrome (40234443204).

The spelling of 20012222202 in words is "twenty billion, twelve million, two hundred twenty-two thousand, two hundred two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 68068783 136137566 204206349 408412698 476481481 952962962 1429444443 2858888886 3335370367 6670740734 10006111101 20012222202