20734504 has 32 divisors (see below), whose sum is σ = 45636480. Its totient is φ = 8645184.

The previous prime is 20734499. The next prime is 20734517. The reversal of 20734504 is 40543702.

It is a super-2 number, since 2×20734504² = 859839312252032, which contains 22 as substring.

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, 2932 + ... + 7075.

It is an arithmetic number, because the mean of its divisors is an integer number (1426140).

Almost surely, 2^20734504 is an apocalyptic number.

It is an amenable number.

20734504 is an abundant number, since it is smaller than the sum of its proper divisors (24901976).

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

20734504 is a wasteful number, since it uses less digits than its factorization.

20734504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10057 (or 10053 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 20734504 is about 4553.5155649234. The cubic root of 20734504 is about 274.7248112155.

The spelling of 20734504 in words is "twenty million, seven hundred thirty-four thousand, five hundred four".