20590532 has 6 divisors (see below), whose sum is σ = 36033438. Its totient is φ = 10295264.

The previous prime is 20590529. The next prime is 20590561. The reversal of 20590532 is 23509502.

It can be written as a sum of positive squares in only one way, i.e., 13060996 + 7529536 = 3614^2 + 2744^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2573813 + ... + 2573820.

It is an arithmetic number, because the mean of its divisors is an integer number (6005573).

Almost surely, 2^20590532 is an apocalyptic number.

It is an amenable number.

20590532 is a deficient number, since it is larger than the sum of its proper divisors (15442906).

20590532 is a wasteful number, since it uses less digits than its factorization.

20590532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5147637 (or 5147635 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 20590532 is about 4537.6791424692. The cubic root of 20590532 is about 274.0874745128.

The spelling of 20590532 in words is "twenty million, five hundred ninety thousand, five hundred thirty-two".