20464044 has 24 divisors (see below), whose sum is σ = 48861120. Its totient is φ = 6662544.

The previous prime is 20464027. The next prime is 20464057. The reversal of 20464044 is 44046402.

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, 19314 + ... + 20345.

It is an arithmetic number, because the mean of its divisors is an integer number (2035880).

Almost surely, 2^20464044 is an apocalyptic number.

It is an amenable number.

20464044 is an abundant number, since it is smaller than the sum of its proper divisors (28397076).

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

20464044 is a wasteful number, since it uses less digits than its factorization.

20464044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39709 (or 39707 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 20464044 is about 4523.7201504956. The cubic root of 20464044 is about 273.5250799447.

The spelling of 20464044 in words is "twenty million, four hundred sixty-four thousand, forty-four".