220234402320 has 80 divisors (see below), whose sum is σ = 694298329920. Its totient is φ = 57733760512.

The previous prime is 220234402259. The next prime is 220234402351. The reversal of 220234402320 is 23204432022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7762479 + ... + 7790798.

It is an arithmetic number, because the mean of its divisors is an integer number (8678729124).

Almost surely, 2^220234402320 is an apocalyptic number.

220234402320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220234402320 is an abundant number, since it is smaller than the sum of its proper divisors (474063927600).

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

220234402320 is a wasteful number, since it uses less digits than its factorization.

220234402320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15553352 (or 15553346 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 220234402320 its reverse (23204432022), we get a palindrome (243438834342).

The spelling of 220234402320 in words is "two hundred twenty billion, two hundred thirty-four million, four hundred two thousand, three hundred twenty".