20893432 has 32 divisors (see below), whose sum is σ = 44920800. Its totient is φ = 8924544.

The previous prime is 20893429. The next prime is 20893451. The reversal of 20893432 is 23439802.

It is a junction number, because it is equal to n+sod(n) for n = 20893394 and 20893403.

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, 28138 + ... + 28870.

It is an arithmetic number, because the mean of its divisors is an integer number (1403775).

Almost surely, 2^20893432 is an apocalyptic number.

It is an amenable number.

20893432 is an abundant number, since it is smaller than the sum of its proper divisors (24027368).

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

20893432 is a wasteful number, since it uses less digits than its factorization.

20893432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255 (or 1251 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 20893432 is about 4570.9333838944. The cubic root of 20893432 is about 275.4249386256.

The spelling of 20893432 in words is "twenty million, eight hundred ninety-three thousand, four hundred thirty-two".