20652753 has 16 divisors (see below), whose sum is σ = 31622400. Its totient is φ = 11857680.

The previous prime is 20652743. The next prime is 20652757. The reversal of 20652753 is 35725602.

It is not a de Polignac number, because 20652753 - 2⁵ = 20652721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20652753.

It is not an unprimeable number, because it can be changed into a prime (20652757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15843 + ... + 17096.

It is an arithmetic number, because the mean of its divisors is an integer number (1976400).

Almost surely, 2^20652753 is an apocalyptic number.

It is an amenable number.

20652753 is a deficient number, since it is larger than the sum of its proper divisors (10969647).

20652753 is a wasteful number, since it uses less digits than its factorization.

20652753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32972.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 20652753 is about 4544.5300087028. The cubic root of 20652753 is about 274.3632784189.

The spelling of 20652753 in words is "twenty million, six hundred fifty-two thousand, seven hundred fifty-three".