20113100202 has 32 divisors (see below), whose sum is σ = 43419277440. Its totient is φ = 6174538560.

The previous prime is 20113100167. The next prime is 20113100219. The reversal of 20113100202 is 20200131102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259449 + ... + 327932.

It is an arithmetic number, because the mean of its divisors is an integer number (1356852420).

Almost surely, 2^20113100202 is an apocalyptic number.

20113100202 is an abundant number, since it is smaller than the sum of its proper divisors (23306177238).

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

20113100202 is a wasteful number, since it uses less digits than its factorization.

20113100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587838.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20113100202 its reverse (20200131102), we get a palindrome (40313231304).

The spelling of 20113100202 in words is "twenty billion, one hundred thirteen million, one hundred thousand, two hundred two".