220202201128 has 48 divisors (see below), whose sum is σ = 517233204180. Its totient is φ = 87112956672.

The previous prime is 220202201111. The next prime is 220202201129. The reversal of 220202201128 is 821102202022.

It can be written as a sum of positive squares in 2 ways, for example, as 208390424004 + 11811777124 = 456498^2 + 108682^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220202201099 and 220202201108.

It is not an unprimeable number, because it can be changed into a prime (220202201129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21600301 + ... + 21610492.

Almost surely, 2^220202201128 is an apocalyptic number.

220202201128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

220202201128 is an abundant number, since it is smaller than the sum of its proper divisors (297031003052).

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

220202201128 is a wasteful number, since it uses less digits than its factorization.

220202201128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43210826 (or 43210815 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The spelling of 220202201128 in words is "two hundred twenty billion, two hundred two million, two hundred one thousand, one hundred twenty-eight".