220272012428 has 96 divisors (see below), whose sum is σ = 462077306880. Its totient is φ = 90932544000.

The previous prime is 220272012427. The next prime is 220272012439. The reversal of 220272012428 is 824210272022.

It is a junction number, because it is equal to n+sod(n) for n = 220272012394 and 220272012403.

It is not an unprimeable number, because it can be changed into a prime (220272012427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1168043 + ... + 1343453.

It is an arithmetic number, because the mean of its divisors is an integer number (4813305280).

Almost surely, 2^220272012428 is an apocalyptic number.

It is an amenable number.

220272012428 is an abundant number, since it is smaller than the sum of its proper divisors (241805294452).

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

220272012428 is a wasteful number, since it uses less digits than its factorization.

220272012428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175519 (or 175517 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 32.

The spelling of 220272012428 in words is "two hundred twenty billion, two hundred seventy-two million, twelve thousand, four hundred twenty-eight".