20296912 has 40 divisors (see below), whose sum is σ = 42265152. Its totient is φ = 9408000.

The previous prime is 20296891. The next prime is 20296949. The reversal of 20296912 is 21969202.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

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, 18787 + ... + 19837.

Almost surely, 2^20296912 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 20296912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21132576).

20296912 is an abundant number, since it is smaller than the sum of its proper divisors (21968240).

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

20296912 is a wasteful number, since it uses less digits than its factorization.

20296912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 20296912 is about 4505.2094290943. The cubic root of 20296912 is about 272.7784074894.

The spelling of 20296912 in words is "twenty million, two hundred ninety-six thousand, nine hundred twelve".