20930932 has 24 divisors (see below), whose sum is σ = 42063840. Its totient is φ = 9012960.

The previous prime is 20930909. The next prime is 20930957. The reversal of 20930932 is 23903902.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20930932.

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, 11683 + ... + 13354.

It is an arithmetic number, because the mean of its divisors is an integer number (1752660).

Almost surely, 2^20930932 is an apocalyptic number.

20930932 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20930932 is an abundant number, since it is smaller than the sum of its proper divisors (21132908).

20930932 is a wasteful number, since it uses less digits than its factorization.

20930932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25071 (or 25069 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 20930932 is about 4575.0335517895. The cubic root of 20930932 is about 275.5896197579.

The spelling of 20930932 in words is "twenty million, nine hundred thirty thousand, nine hundred thirty-two".