20375244 has 18 divisors (see below), whose sum is σ = 51504180. Its totient is φ = 6791736.

The previous prime is 20375227. The next prime is 20375269. The reversal of 20375244 is 44257302.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 282954 + ... + 283025.

Almost surely, 2^20375244 is an apocalyptic number.

It is an amenable number.

20375244 is an abundant number, since it is smaller than the sum of its proper divisors (31128936).

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

20375244 is a wasteful number, since it uses less digits than its factorization.

20375244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565989 (or 565984 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 20375244 is about 4513.8945490563. The cubic root of 20375244 is about 273.1288688367.

The spelling of 20375244 in words is "twenty million, three hundred seventy-five thousand, two hundred forty-four".