220392040 has 32 divisors (see below), whose sum is σ = 540963360. Its totient is φ = 80142400.

The previous prime is 220392013. The next prime is 220392041. The reversal of 220392040 is 40293022.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (220392041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 250006 + ... + 250885.

It is an arithmetic number, because the mean of its divisors is an integer number (16905105).

Almost surely, 2^220392040 is an apocalyptic number.

220392040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220392040 is an abundant number, since it is smaller than the sum of its proper divisors (320571320).

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

220392040 is a wasteful number, since it uses less digits than its factorization.

220392040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500913 (or 500909 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 220392040 is about 14845.6067575563. The cubic root of 220392040 is about 604.0394474477.

The spelling of 220392040 in words is "two hundred twenty million, three hundred ninety-two thousand, forty".