20164324 has 6 divisors (see below), whose sum is σ = 35287574. Its totient is φ = 10082160.

The previous prime is 20164321. The next prime is 20164349. The reversal of 20164324 is 42346102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11343424 + 8820900 = 3368^2 + 2970^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20164295 and 20164304.

It is not an unprimeable number, because it can be changed into a prime (20164321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2520537 + ... + 2520544.

Almost surely, 2^20164324 is an apocalyptic number.

It is an amenable number.

20164324 is a deficient number, since it is larger than the sum of its proper divisors (15123250).

20164324 is a wasteful number, since it uses less digits than its factorization.

20164324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5041085 (or 5041083 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 20164324 is about 4490.4703539830. The cubic root of 20164324 is about 272.1831415106.

It can be divided in two parts, 20164 and 324, that multiplied together give a square (6533136 = 2556²).

The spelling of 20164324 in words is "twenty million, one hundred sixty-four thousand, three hundred twenty-four".