20620112654 has 16 divisors (see below), whose sum is σ = 31794685728. Its totient is φ = 10022385312.

The previous prime is 20620112641. The next prime is 20620112659. The reversal of 20620112654 is 45621102602.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20620112659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42074 + ... + 207389.

It is an arithmetic number, because the mean of its divisors is an integer number (1987167858).

Almost surely, 2^20620112654 is an apocalyptic number.

20620112654 is a deficient number, since it is larger than the sum of its proper divisors (11174573074).

20620112654 is a wasteful number, since it uses less digits than its factorization.

20620112654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250619.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 20620112654 in words is "twenty billion, six hundred twenty million, one hundred twelve thousand, six hundred fifty-four".