220187190072 has 32 divisors (see below), whose sum is σ = 550505062800. Its totient is φ = 73390785024.

The previous prime is 220187190053. The next prime is 220187190109. The reversal of 220187190072 is 270091781022.

It is a self number, because there is not a number n which added to its sum of digits gives 220187190072.

It is a congruent number.

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, 63754 + ... + 666662.

Almost surely, 2^220187190072 is an apocalyptic number.

It is an amenable number.

220187190072 is an abundant number, since it is smaller than the sum of its proper divisors (330317872728).

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

220187190072 is a wasteful number, since it uses less digits than its factorization.

220187190072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618135 (or 618131 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 39.

The spelling of 220187190072 in words is "two hundred twenty billion, one hundred eighty-seven million, one hundred ninety thousand, seventy-two".