20790544 has 20 divisors (see below), whose sum is σ = 41140224. Its totient is φ = 10173728.

The previous prime is 20790527. The next prime is 20790557. The reversal of 20790544 is 44509702.

It is a super-3 number, since 3×20790544³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13072 + ... + 14575.

Almost surely, 2^20790544 is an apocalyptic number.

It is an amenable number.

20790544 is a deficient number, since it is larger than the sum of its proper divisors (20349680).

20790544 is a wasteful number, since it uses less digits than its factorization.

20790544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27702 (or 27696 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 20790544 is about 4559.6648999680. The cubic root of 20790544 is about 274.9720919337.

The spelling of 20790544 in words is "twenty million, seven hundred ninety thousand, five hundred forty-four".