20374272 has 108 divisors (see below), whose sum is σ = 60584160. Its totient is φ = 6580224.

The previous prime is 20374267. The next prime is 20374301. The reversal of 20374272 is 27247302.

20374272 is a `hidden beast` number, since 20 + 374 + 272 = 666.

It is a super-2 number, since 2×20374272² = 830221919059968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85129 + ... + 85367.

Almost surely, 2^20374272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20374272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30292080).

20374272 is an abundant number, since it is smaller than the sum of its proper divisors (40209888).

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

20374272 is a wasteful number, since it uses less digits than its factorization.

20374272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 20374272 is about 4513.7868802149. The cubic root of 20374272 is about 273.1245255679.

The spelling of 20374272 in words is "twenty million, three hundred seventy-four thousand, two hundred seventy-two".