20553752 has 16 divisors (see below), whose sum is σ = 38685600. Its totient is φ = 10237600.

The previous prime is 20553739. The next prime is 20553773. The reversal of 20553752 is 25735502.

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, 2624 + ... + 6927.

It is an arithmetic number, because the mean of its divisors is an integer number (2417850).

Almost surely, 2^20553752 is an apocalyptic number.

It is an amenable number.

20553752 is a deficient number, since it is larger than the sum of its proper divisors (18131848).

20553752 is a wasteful number, since it uses less digits than its factorization.

20553752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9826 (or 9822 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 20553752 is about 4533.6245984863. The cubic root of 20553752 is about 273.9241802754.

The spelling of 20553752 in words is "twenty million, five hundred fifty-three thousand, seven hundred fifty-two".