220430056404 has 96 divisors (see below), whose sum is σ = 566532247680. Its totient is φ = 66450129408.

The previous prime is 220430056397. The next prime is 220430056421. The reversal of 220430056404 is 404650034022.

It is a super-2 number, since 2×220430056404² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 200602 + ... + 693614.

It is an arithmetic number, because the mean of its divisors is an integer number (5901377580).

Almost surely, 2^220430056404 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 220430056404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283266123840).

220430056404 is an abundant number, since it is smaller than the sum of its proper divisors (346102191276).

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

220430056404 is a wasteful number, since it uses less digits than its factorization.

220430056404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493129 (or 493127 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The spelling of 220430056404 in words is "two hundred twenty billion, four hundred thirty million, fifty-six thousand, four hundred four".