220307442 has 16 divisors (see below), whose sum is σ = 440760960. Its totient is φ = 73411472.

The previous prime is 220307431. The next prime is 220307443. The reversal of 220307442 is 244703022.

It is not an unprimeable number, because it can be changed into a prime (220307443) 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, 29788 + ... + 36440.

It is an arithmetic number, because the mean of its divisors is an integer number (27547560).

Almost surely, 2^220307442 is an apocalyptic number.

220307442 is an abundant number, since it is smaller than the sum of its proper divisors (220453518).

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

220307442 is a wasteful number, since it uses less digits than its factorization.

220307442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12177.

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

The square root of 220307442 is about 14842.7572236428. The cubic root of 220307442 is about 603.9621502385.

The spelling of 220307442 in words is "two hundred twenty million, three hundred seven thousand, four hundred forty-two".