220418186383812 has 48 divisors (see below), whose sum is σ = 549651948068160. Its totient is φ = 68504534372352.

The previous prime is 220418186383799. The next prime is 220418186383823. The reversal of 220418186383812 is 218383681814022.

It is a super-3 number, since 3×220418186383812³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5048956237 + ... + 5048999892.

It is an arithmetic number, because the mean of its divisors is an integer number (11451082251420).

Almost surely, 2^{220418186383812} is an apocalyptic number.

It is an amenable number.

220418186383812 is an abundant number, since it is smaller than the sum of its proper divisors (329233761684348).

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

220418186383812 is a wasteful number, since it uses less digits than its factorization.

220418186383812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10097956260 (or 10097956258 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 57.

The spelling of 220418186383812 in words is "two hundred twenty trillion, four hundred eighteen billion, one hundred eighty-six million, three hundred eighty-three thousand, eight hundred twelve".