220231033100 has 36 divisors (see below), whose sum is σ = 514662986544. Its totient is φ = 81316073280.

The previous prime is 220231033081. The next prime is 220231033117. The reversal of 220231033100 is 1330132022.

It is a super-2 number, since 2×220231033100² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 84702944 + ... + 84705543.

Almost surely, 2^220231033100 is an apocalyptic number.

220231033100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220231033100 is an abundant number, since it is smaller than the sum of its proper divisors (294431953444).

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

220231033100 is a wasteful number, since it uses less digits than its factorization.

220231033100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169408514 (or 169408507 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 220231033100 its reverse (1330132022), we get a palindrome (221561165122).

The spelling of 220231033100 in words is "two hundred twenty billion, two hundred thirty-one million, thirty-three thousand, one hundred".