20265316 has 24 divisors (see below), whose sum is σ = 37590840. Its totient is φ = 9542400.

The previous prime is 20265299. The next prime is 20265391. The reversal of 20265316 is 61356202.

It can be written as a sum of positive squares in 4 ways, for example, as 3422500 + 16842816 = 1850^2 + 4104^2 .

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, 2626 + ... + 6886.

It is an arithmetic number, because the mean of its divisors is an integer number (1566285).

Almost surely, 2^20265316 is an apocalyptic number.

It is an amenable number.

20265316 is a deficient number, since it is larger than the sum of its proper divisors (17325524).

20265316 is a wasteful number, since it uses less digits than its factorization.

20265316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4335 (or 4333 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 20265316 is about 4501.7014561163. The cubic root of 20265316 is about 272.6367901725.

The spelling of 20265316 in words is "twenty million, two hundred sixty-five thousand, three hundred sixteen".