20497084 has 12 divisors (see below), whose sum is σ = 37107000. Its totient is φ = 9895088.

The previous prime is 20497073. The next prime is 20497091. The reversal of 20497084 is 48079402.

It is a happy number.

It is a congruent number.

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, 88234 + ... + 88465.

It is an arithmetic number, because the mean of its divisors is an integer number (3092250).

Almost surely, 2^20497084 is an apocalyptic number.

It is an amenable number.

20497084 is a deficient number, since it is larger than the sum of its proper divisors (16609916).

20497084 is a wasteful number, since it uses less digits than its factorization.

20497084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176732 (or 176730 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 20497084 is about 4527.3705392866. The cubic root of 20497084 is about 273.6722064417.

The spelling of 20497084 in words is "twenty million, four hundred ninety-seven thousand, eighty-four".