220402335672 has 96 divisors (see below), whose sum is σ = 607653774000. Its totient is φ = 72149253120.

The previous prime is 220402335661. The next prime is 220402335737. The reversal of 220402335672 is 276533204022.

220402335672 is a `hidden beast` number, since 2 + 20 + 40 + 2 + 33 + 567 + 2 = 666.

220402335672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4260522 + ... + 4311942.

Almost surely, 2^220402335672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220402335672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303826887000).

220402335672 is an abundant number, since it is smaller than the sum of its proper divisors (387251438328).

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

220402335672 is a wasteful number, since it uses less digits than its factorization.

220402335672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52501 (or 52494 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

Adding to 220402335672 its reverse (276533204022), we get a palindrome (496935539694).

The spelling of 220402335672 in words is "two hundred twenty billion, four hundred two million, three hundred thirty-five thousand, six hundred seventy-two".