214628166020 has 24 divisors (see below), whose sum is σ = 451789758168. Its totient is φ = 85647340800.

The previous prime is 214628166019. The next prime is 214628166041. The reversal of 214628166020 is 20661826412.

It can be written as a sum of positive squares in 4 ways, for example, as 6416650816 + 208211515204 = 80104^2 + 456302^2 .

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, 12736721 + ... + 12753560.

It is an arithmetic number, because the mean of its divisors is an integer number (18824573257).

Almost surely, 2^214628166020 is an apocalyptic number.

214628166020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214628166020 is an abundant number, since it is smaller than the sum of its proper divisors (237161592148).

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

214628166020 is a wasteful number, since it uses less digits than its factorization.

214628166020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25490711 (or 25490709 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 214628166020 in words is "two hundred fourteen billion, six hundred twenty-eight million, one hundred sixty-six thousand, twenty".