20396324 has 24 divisors (see below), whose sum is σ = 39481848. Its totient is φ = 9158400.

The previous prime is 20396323. The next prime is 20396333. The reversal of 20396324 is 42369302.

It can be written as a sum of positive squares in 4 ways, for example, as 6927424 + 13468900 = 2632^2 + 3670^2 .

It is not an unprimeable number, because it can be changed into a prime (20396323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3377 + ... + 7224.

It is an arithmetic number, because the mean of its divisors is an integer number (1645077).

Almost surely, 2^20396324 is an apocalyptic number.

It is an amenable number.

20396324 is a deficient number, since it is larger than the sum of its proper divisors (19085524).

20396324 is a wasteful number, since it uses less digits than its factorization.

20396324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10655 (or 10653 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 20396324 is about 4516.2289578807. The cubic root of 20396324 is about 273.2230283983.

The spelling of 20396324 in words is "twenty million, three hundred ninety-six thousand, three hundred twenty-four".