220289832 has 48 divisors (see below), whose sum is σ = 681851040. Its totient is φ = 62939808.

The previous prime is 220289831. The next prime is 220289869. The reversal of 220289832 is 238982022.

It is a super-2 number, since 2×220289832² = 97055220165176448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (220289831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218038 + ... + 219045.

It is an arithmetic number, because the mean of its divisors is an integer number (14205230).

Almost surely, 2^220289832 is an apocalyptic number.

It is an amenable number.

220289832 is an abundant number, since it is smaller than the sum of its proper divisors (461561208).

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

220289832 is a wasteful number, since it uses less digits than its factorization.

220289832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437102 (or 437095 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 220289832 is about 14842.1639931649. The cubic root of 220289832 is about 603.9460574898.

The spelling of 220289832 in words is "two hundred twenty million, two hundred eighty-nine thousand, eight hundred thirty-two".