220483857458 has 18 divisors (see below), whose sum is σ = 351342613053. Its totient is φ = 103751796960.

The previous prime is 220483857443. The next prime is 220483857497. The reversal of 220483857458 is 854758384022.

It can be written as a sum of positive squares in 2 ways, for example, as 201792319369 + 18691538089 = 449213^2 + 136717^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=332027.

It is a super-2 number, since 2×220483857458² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11279153 + ... + 11298683.

Almost surely, 2^220483857458 is an apocalyptic number.

220483857458 is a deficient number, since it is larger than the sum of its proper divisors (130858755595).

220483857458 is an frugal number, since it uses more digits than its factorization.

220483857458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39098 (or 19550 counting only the distinct ones).

The product of its (nonzero) digits is 17203200, while the sum is 56.

The spelling of 220483857458 in words is "two hundred twenty billion, four hundred eighty-three million, eight hundred fifty-seven thousand, four hundred fifty-eight".