220611515432 has 128 divisors (see below), whose sum is σ = 518775459840. Its totient is φ = 85444174080.

The previous prime is 220611515431. The next prime is 220611515447. The reversal of 220611515432 is 234515116022.

It is not an unprimeable number, because it can be changed into a prime (220611515431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79728113 + ... + 79730879.

It is an arithmetic number, because the mean of its divisors is an integer number (4052933280).

Almost surely, 2^220611515432 is an apocalyptic number.

220611515432 is a gapful number since it is divisible by the number (22) 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 220611515432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259387729920).

220611515432 is an abundant number, since it is smaller than the sum of its proper divisors (298163944408).

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

220611515432 is a wasteful number, since it uses less digits than its factorization.

220611515432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511 (or 3507 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 220611515432 in words is "two hundred twenty billion, six hundred eleven million, five hundred fifteen thousand, four hundred thirty-two".