20113568610 has 16 divisors (see below), whose sum is σ = 48272564736. Its totient is φ = 5363618288.

The previous prime is 20113568603. The next prime is 20113568621. The reversal of 20113568610 is 1686531102.

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 7 ways as a sum of consecutive naturals, for example, 335226114 + ... + 335226173.

It is an arithmetic number, because the mean of its divisors is an integer number (3017035296).

Almost surely, 2^20113568610 is an apocalyptic number.

20113568610 is an abundant number, since it is smaller than the sum of its proper divisors (28158996126).

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

20113568610 is a wasteful number, since it uses less digits than its factorization.

20113568610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670452297.

The product of its (nonzero) digits is 8640, while the sum is 33.

It can be divided in two parts, 201135 and 68610, that added together give a triangular number (269745 = T₇₃₄).

The spelling of 20113568610 in words is "twenty billion, one hundred thirteen million, five hundred sixty-eight thousand, six hundred ten".