220723080 has 32 divisors (see below), whose sum is σ = 662169600. Its totient is φ = 58859456.

The previous prime is 220723073. The next prime is 220723081. The reversal of 220723080 is 80327022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 220723080.

It is not an unprimeable number, because it can be changed into a prime (220723081) 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, 919560 + ... + 919799.

It is an arithmetic number, because the mean of its divisors is an integer number (20692800).

Almost surely, 2^220723080 is an apocalyptic number.

220723080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220723080 is an abundant number, since it is smaller than the sum of its proper divisors (441446520).

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

220723080 is a wasteful number, since it uses less digits than its factorization.

220723080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839373 (or 1839369 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 220723080 is about 14856.7520003532. The cubic root of 220723080 is about 604.3417287595.

It can be divided in two parts, 22072 and 3080, that added together give a palindrome (25152).

The spelling of 220723080 in words is "two hundred twenty million, seven hundred twenty-three thousand, eighty".