20932260 has 48 divisors (see below), whose sum is σ = 58968000. Its totient is φ = 5547904.

The previous prime is 20932259. The next prime is 20932349. The reversal of 20932260 is 6223902.

It is a self number, because there is not a number n which added to its sum of digits gives 20932260.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9766 + ... + 11714.

It is an arithmetic number, because the mean of its divisors is an integer number (1228500).

Almost surely, 2^20932260 is an apocalyptic number.

20932260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20932260 is an abundant number, since it is smaller than the sum of its proper divisors (38035740).

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

20932260 is a wasteful number, since it uses less digits than its factorization.

20932260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140 (or 2138 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 20932260 is about 4575.1786850352. The cubic root of 20932260 is about 275.5954480582.

The spelling of 20932260 in words is "twenty million, nine hundred thirty-two thousand, two hundred sixty".