20131022200 has 48 divisors (see below), whose sum is σ = 46890447480. Its totient is φ = 8037644160.

The previous prime is 20131022179. The next prime is 20131022231. The reversal of 20131022200 is 222013102.

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, 17394 + ... + 201406.

Almost surely, 2^20131022200 is an apocalyptic number.

20131022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20131022200 is an abundant number, since it is smaller than the sum of its proper divisors (26759425280).

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

20131022200 is a wasteful number, since it uses less digits than its factorization.

20131022200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184576 (or 184567 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20131022200 its reverse (222013102), we get a palindrome (20353035302).

The spelling of 20131022200 in words is "twenty billion, one hundred thirty-one million, twenty-two thousand, two hundred".