20683752 has 16 divisors (see below), whose sum is σ = 51709440. Its totient is φ = 6894576.

The previous prime is 20683717. The next prime is 20683763. The reversal of 20683752 is 25738602.

It is a hoax number, since the sum of its digits (33) 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, 430888 + ... + 430935.

It is an arithmetic number, because the mean of its divisors is an integer number (3231840).

Almost surely, 2^20683752 is an apocalyptic number.

It is an amenable number.

20683752 is an abundant number, since it is smaller than the sum of its proper divisors (31025688).

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

20683752 is a wasteful number, since it uses less digits than its factorization.

20683752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861832 (or 861828 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 20683752 is about 4547.9393135793. The cubic root of 20683752 is about 274.5004794269.

The spelling of 20683752 in words is "twenty million, six hundred eighty-three thousand, seven hundred fifty-two".