220021876272 has 40 divisors (see below), whose sum is σ = 620061652800. Its totient is φ = 66673295680.

The previous prime is 220021876271. The next prime is 220021876339. The reversal of 220021876272 is 272678120022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 220021876272.

It is not an unprimeable number, because it can be changed into a prime (220021876271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208353522 + ... + 208354577.

It is an arithmetic number, because the mean of its divisors is an integer number (15501541320).

Almost surely, 2^220021876272 is an apocalyptic number.

220021876272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220021876272 is an abundant number, since it is smaller than the sum of its proper divisors (400039776528).

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

220021876272 is a wasteful number, since it uses less digits than its factorization.

220021876272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416708121 (or 416708115 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

Adding to 220021876272 its reverse (272678120022), we get a palindrome (492699996294).

The spelling of 220021876272 in words is "two hundred twenty billion, twenty-one million, eight hundred seventy-six thousand, two hundred seventy-two".