220477775460 has 24 divisors (see below), whose sum is σ = 617337771456. Its totient is φ = 58794073440.

The previous prime is 220477775411. The next prime is 220477775471. The reversal of 220477775460 is 64577774022.

It is a super-2 number, since 2×220477775460² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1837314736 + ... + 1837314855.

It is an arithmetic number, because the mean of its divisors is an integer number (25722407144).

Almost surely, 2^220477775460 is an apocalyptic number.

220477775460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220477775460 is an abundant number, since it is smaller than the sum of its proper divisors (396859995996).

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

220477775460 is a wasteful number, since it uses less digits than its factorization.

220477775460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674629603 (or 3674629601 counting only the distinct ones).

The product of its (nonzero) digits is 4609920, while the sum is 51.

The spelling of 220477775460 in words is "two hundred twenty billion, four hundred seventy-seven million, seven hundred seventy-five thousand, four hundred sixty".