220507311900 has 36 divisors (see below), whose sum is σ = 638001156632. Its totient is φ = 58801949760.

The previous prime is 220507311853. The next prime is 220507311917. The reversal of 220507311900 is 9113705022.

220507311900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220507311900² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 367511887 + ... + 367512486.

Almost surely, 2^220507311900 is an apocalyptic number.

220507311900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220507311900 is an abundant number, since it is smaller than the sum of its proper divisors (417493844732).

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

220507311900 is a wasteful number, since it uses less digits than its factorization.

220507311900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735024390 (or 735024383 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The spelling of 220507311900 in words is "two hundred twenty billion, five hundred seven million, three hundred eleven thousand, nine hundred".