20378496 has 32 divisors (see below), whose sum is σ = 54131400. Its totient is φ = 6792704.

The previous prime is 20378489. The next prime is 20378497. The reversal of 20378496 is 69487302.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20378497) 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, 26151 + ... + 26918.

Almost surely, 2^20378496 is an apocalyptic number.

It is an amenable number.

20378496 is an abundant number, since it is smaller than the sum of its proper divisors (33752904).

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

20378496 is an equidigital number, since it uses as much as digits as its factorization.

20378496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53086 (or 53074 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 20378496 is about 4514.2547557709. The cubic root of 20378496 is about 273.1433990157.

The spelling of 20378496 in words is "twenty million, three hundred seventy-eight thousand, four hundred ninety-six".