324153220 has 12 divisors (see below), whose sum is σ = 680721804. Its totient is φ = 129661280.

The previous prime is 324153211. The next prime is 324153233. The reversal of 324153220 is 22351423.

It can be written as a sum of positive squares in 2 ways, for example, as 63266116 + 260887104 = 7954^2 + 16152^2 .

It is a junction number, because it is equal to n+sod(n) for n = 324153191 and 324153200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8103811 + ... + 8103850.

It is an arithmetic number, because the mean of its divisors is an integer number (56726817).

Almost surely, 2^324153220 is an apocalyptic number.

It is an amenable number.

324153220 is an abundant number, since it is smaller than the sum of its proper divisors (356568584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

324153220 is a wasteful number, since it uses less digits than its factorization.

324153220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16207670 (or 16207668 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 324153220 is about 18004.2556080500. The cubic root of 324153220 is about 686.9367958256.

The spelling of 324153220 in words is "three hundred twenty-four million, one hundred fifty-three thousand, two hundred twenty".