220407324 has 12 divisors (see below), whose sum is σ = 514283784. Its totient is φ = 73469104.

The previous prime is 220407323. The next prime is 220407361. The reversal of 220407324 is 423704022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 220407294 and 220407303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220407323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9183627 + ... + 9183650.

It is an arithmetic number, because the mean of its divisors is an integer number (42856982).

Almost surely, 2^220407324 is an apocalyptic number.

It is an amenable number.

220407324 is an abundant number, since it is smaller than the sum of its proper divisors (293876460).

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

220407324 is a wasteful number, since it uses less digits than its factorization.

220407324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18367284 (or 18367282 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 220407324 is about 14846.1215137153. The cubic root of 220407324 is about 604.0534103318.

The spelling of 220407324 in words is "two hundred twenty million, four hundred seven thousand, three hundred twenty-four".