20352753 has 12 divisors (see below), whose sum is σ = 29439540. Its totient is φ = 13549536.

The previous prime is 20352737. The next prime is 20352763. The reversal of 20352753 is 35725302.

It can be written as a sum of positive squares in 2 ways, for example, as 13046544 + 7306209 = 3612^2 + 2703^2 .

It is not a de Polignac number, because 20352753 - 2⁴ = 20352737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20352763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8803 + ... + 10871.

It is an arithmetic number, because the mean of its divisors is an integer number (2453295).

Almost surely, 2^20352753 is an apocalyptic number.

It is an amenable number.

20352753 is a deficient number, since it is larger than the sum of its proper divisors (9086787).

20352753 is a wasteful number, since it uses less digits than its factorization.

20352753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168 (or 3165 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 20352753 is about 4511.4025535303. The cubic root of 20352753 is about 273.0283350214.

The spelling of 20352753 in words is "twenty million, three hundred fifty-two thousand, seven hundred fifty-three".