220404620460 has 96 divisors (see below), whose sum is σ = 620553491712. Its totient is φ = 58449081600.

The previous prime is 220404620417. The next prime is 220404620581. The reversal of 220404620460 is 64026404022.

It is a super-4 number, since 4×220404620460⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 47880519 + ... + 47885121.

It is an arithmetic number, because the mean of its divisors is an integer number (6464098872).

Almost surely, 2^220404620460 is an apocalyptic number.

220404620460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220404620460 is an abundant number, since it is smaller than the sum of its proper divisors (400148871252).

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

220404620460 is a wasteful number, since it uses less digits than its factorization.

220404620460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8863 (or 8861 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 220404620460 in words is "two hundred twenty billion, four hundred four million, six hundred twenty thousand, four hundred sixty".