20624669934 has 16 divisors (see below), whose sum is σ = 44999280000. Its totient is φ = 6249899960.

The previous prime is 20624669927. The next prime is 20624669951. The reversal of 20624669934 is 43996642602.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156247434 + ... + 156247565.

It is an arithmetic number, because the mean of its divisors is an integer number (2812455000).

Almost surely, 2^20624669934 is an apocalyptic number.

20624669934 is an abundant number, since it is smaller than the sum of its proper divisors (24374610066).

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

20624669934 is a wasteful number, since it uses less digits than its factorization.

20624669934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312495015.

The product of its (nonzero) digits is 3359232, while the sum is 51.

The spelling of 20624669934 in words is "twenty billion, six hundred twenty-four million, six hundred sixty-nine thousand, nine hundred thirty-four".