220531074 has 8 divisors (see below), whose sum is σ = 441062160. Its totient is φ = 73510356.

The previous prime is 220531037. The next prime is 220531079. The reversal of 220531074 is 470135022.

It is a sphenic number, since it is the product of 3 distinct primes.

220531074 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (220531079) 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, 18377584 + ... + 18377595.

It is an arithmetic number, because the mean of its divisors is an integer number (55132770).

Almost surely, 2^220531074 is an apocalyptic number.

220531074 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220531074 is a wasteful number, since it uses less digits than its factorization.

220531074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36755184.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 220531074 is about 14850.2886840627. The cubic root of 220531074 is about 604.1664398847.

Adding to 220531074 its reverse (470135022), we get a palindrome (690666096).

The spelling of 220531074 in words is "two hundred twenty million, five hundred thirty-one thousand, seventy-four".