20352704 has 28 divisors (see below), whose sum is σ = 40532304. Its totient is φ = 10139904.

The previous prime is 20352671. The next prime is 20352707. The reversal of 20352704 is 40725302.

It is a super-2 number, since 2×20352704² = 828465120223232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20352704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20352707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30842 + ... + 31494.

Almost surely, 2^20352704 is an apocalyptic number.

It is an amenable number.

20352704 is a deficient number, since it is larger than the sum of its proper divisors (20179600).

20352704 is an equidigital number, since it uses as much as digits as its factorization.

20352704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 20352704 is about 4511.3971228434. The cubic root of 20352704 is about 273.0281159126.

The spelling of 20352704 in words is "twenty million, three hundred fifty-two thousand, seven hundred four".