20732708 has 12 divisors (see below), whose sum is σ = 37126320. Its totient is φ = 10125192.

The previous prime is 20732693. The next prime is 20732717. The reversal of 20732708 is 80723702.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 60098 + ... + 60441.

It is an arithmetic number, because the mean of its divisors is an integer number (3093860).

Almost surely, 2^20732708 is an apocalyptic number.

It is an amenable number.

20732708 is a deficient number, since it is larger than the sum of its proper divisors (16393612).

20732708 is a wasteful number, since it uses less digits than its factorization.

20732708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120586 (or 120584 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 20732708 is about 4553.3183503902. The cubic root of 20732708 is about 274.7168788659.

The spelling of 20732708 in words is "twenty million, seven hundred thirty-two thousand, seven hundred eight".