220444602402 has 64 divisors (see below), whose sum is σ = 449891205120. Its totient is φ = 71995651200.

The previous prime is 220444602397. The next prime is 220444602421. The reversal of 220444602402 is 204206444022.

It is a super-3 number, since 3×220444602402³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220444602402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82903749 + ... + 82906407.

It is an arithmetic number, because the mean of its divisors is an integer number (7029550080).

Almost surely, 2^220444602402 is an apocalyptic number.

220444602402 is an abundant number, since it is smaller than the sum of its proper divisors (229446602718).

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

220444602402 is a wasteful number, since it uses less digits than its factorization.

220444602402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919.

The product of its (nonzero) digits is 24576, while the sum is 30.

The spelling of 220444602402 in words is "two hundred twenty billion, four hundred forty-four million, six hundred two thousand, four hundred two".