20479352 has 32 divisors (see below), whose sum is σ = 40378800. Its totient is φ = 9725184.

The previous prime is 20479343. The next prime is 20479363. The reversal of 20479352 is 25397402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11924 + ... + 13532.

Almost surely, 2^20479352 is an apocalyptic number.

It is an amenable number.

20479352 is a deficient number, since it is larger than the sum of its proper divisors (19899448).

20479352 is a wasteful number, since it uses less digits than its factorization.

20479352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695 (or 1691 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 20479352 is about 4525.4118044660. The cubic root of 20479352 is about 273.5932658534.

The spelling of 20479352 in words is "twenty million, four hundred seventy-nine thousand, three hundred fifty-two".