220039680 has 160 divisors (see below), whose sum is σ = 804127104. Its totient is φ = 50282496.

The previous prime is 220039657. The next prime is 220039681. The reversal of 220039680 is 86930022.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (220039681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51714 + ... + 55806.

Almost surely, 2^220039680 is an apocalyptic number.

220039680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220039680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402063552).

220039680 is an abundant number, since it is smaller than the sum of its proper divisors (584087424).

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

220039680 is an equidigital number, since it uses as much as digits as its factorization.

220039680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126 (or 4110 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 220039680 is about 14833.7345264097. The cubic root of 220039680 is about 603.7173655358.

The spelling of 220039680 in words is "two hundred twenty million, thirty-nine thousand, six hundred eighty".