220970390418 has 64 divisors (see below), whose sum is σ = 508288389120. Its totient is φ = 71101691136.

The previous prime is 220970390413. The next prime is 220970390423. The reversal of 220970390418 is 814093079022.

220970390418 is a `hidden beast` number, since 220 + 9 + 7 + 0 + 3 + 9 + 0 + 418 = 666.

It is an interprime number because it is at equal distance from previous prime (220970390413) and next prime (220970390423).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220970390411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181671 + ... + 689162.

It is an arithmetic number, because the mean of its divisors is an integer number (7942006080).

Almost surely, 2^220970390418 is an apocalyptic number.

220970390418 is an abundant number, since it is smaller than the sum of its proper divisors (287317998702).

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

220970390418 is a wasteful number, since it uses less digits than its factorization.

220970390418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871008 (or 871002 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 220970390418 in words is "two hundred twenty billion, nine hundred seventy million, three hundred ninety thousand, four hundred eighteen".