20590534 has 8 divisors (see below), whose sum is σ = 31009608. Its totient is φ = 10254000.

The previous prime is 20590529. The next prime is 20590561. The reversal of 20590534 is 43509502.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 20007 + ... + 21010.

It is an arithmetic number, because the mean of its divisors is an integer number (3876201).

Almost surely, 2^20590534 is an apocalyptic number.

20590534 is a deficient number, since it is larger than the sum of its proper divisors (10419074).

20590534 is a wasteful number, since it uses less digits than its factorization.

20590534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41270.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 20590534 is about 4537.6793628462. The cubic root of 20590534 is about 274.0874833870.

The spelling of 20590534 in words is "twenty million, five hundred ninety thousand, five hundred thirty-four".