20374816 has 48 divisors (see below), whose sum is σ = 50016960. Its totient is φ = 7937280.

The previous prime is 20374813. The next prime is 20374853. The reversal of 20374816 is 61847302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20374813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1671 + ... + 6598.

It is an arithmetic number, because the mean of its divisors is an integer number (1042020).

Almost surely, 2^20374816 is an apocalyptic number.

It is an amenable number.

20374816 is an abundant number, since it is smaller than the sum of its proper divisors (29642144).

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

20374816 is a wasteful number, since it uses less digits than its factorization.

20374816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8297 (or 8289 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 20374816 is about 4513.8471396360. The cubic root of 20374816 is about 273.1269563855.

The spelling of 20374816 in words is "twenty million, three hundred seventy-four thousand, eight hundred sixteen".