220012247394870 has 128 divisors (see below), whose sum is σ = 609483412915200. Its totient is φ = 49789196646912.

The previous prime is 220012247394857. The next prime is 220012247394883. The reversal of 220012247394870 is 78493742210022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (220012247394857) and next prime (220012247394883).

It is a super-2 number, since 2×220012247394870² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4171249 + ... + 21387468.

It is an arithmetic number, because the mean of its divisors is an integer number (4761589163400).

Almost surely, 2^{220012247394870} is an apocalyptic number.

220012247394870 is an abundant number, since it is smaller than the sum of its proper divisors (389471165520330).

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

220012247394870 is a wasteful number, since it uses less digits than its factorization.

220012247394870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25559142.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 220012247394870 in words is "two hundred twenty trillion, twelve billion, two hundred forty-seven million, three hundred ninety-four thousand, eight hundred seventy".