20726832 has 40 divisors (see below), whose sum is σ = 61194496. Its totient is φ = 5921856.

The previous prime is 20726819. The next prime is 20726833. The reversal of 20726832 is 23862702.

It is a self number, because there is not a number n which added to its sum of digits gives 20726832.

It is not an unprimeable number, because it can be changed into a prime (20726833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30508 + ... + 31179.

Almost surely, 2^20726832 is an apocalyptic number.

It is an amenable number.

20726832 is an abundant number, since it is smaller than the sum of its proper divisors (40467664).

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

20726832 is a wasteful number, since it uses less digits than its factorization.

20726832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61705 (or 61699 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 20726832 is about 4552.6730609610. The cubic root of 20726832 is about 274.6909232775.

The spelling of 20726832 in words is "twenty million, seven hundred twenty-six thousand, eight hundred thirty-two".