20274432 has 36 divisors (see below), whose sum is σ = 53961600. Its totient is φ = 6757888.

The previous prime is 20274427. The next prime is 20274439. The reversal of 20274432 is 23447202.

It is a super-2 number, since 2×20274432² = 822105185845248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20274439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12432 + ... + 13967.

Almost surely, 2^20274432 is an apocalyptic number.

It is an amenable number.

20274432 is an abundant number, since it is smaller than the sum of its proper divisors (33687168).

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

20274432 is an equidigital number, since it uses as much as digits as its factorization.

20274432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26418 (or 26404 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 20274432 is about 4502.7138483364. The cubic root of 20274432 is about 272.6776643507.

It can be divided in two parts, 20274 and 432, that added together give a triangular number (20706 = T₂₀₃).

The spelling of 20274432 in words is "twenty million, two hundred seventy-four thousand, four hundred thirty-two".