20486272 has 16 divisors (see below), whose sum is σ = 40812750. Its totient is φ = 10243072.

The previous prime is 20486239. The next prime is 20486293. The reversal of 20486272 is 27268402.

It can be written as a sum of positive squares in only one way, i.e., 10601536 + 9884736 = 3256^2 + 3144^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79897 + ... + 80152.

Almost surely, 2^20486272 is an apocalyptic number.

It is an amenable number.

20486272 is a deficient number, since it is larger than the sum of its proper divisors (20326478).

20486272 is an equidigital number, since it uses as much as digits as its factorization.

20486272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160063 (or 160051 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 20486272 is about 4526.1763111925. The cubic root of 20486272 is about 273.6240782247.

It can be divided in two parts, 2048 and 6272, that multiplied together give a square (12845056 = 3584²).

The spelling of 20486272 in words is "twenty million, four hundred eighty-six thousand, two hundred seventy-two".