220131111000 has 64 divisors (see below), whose sum is σ = 686809075680. Its totient is φ = 58701628800.

The previous prime is 220131110999. The next prime is 220131111077. The reversal of 220131111000 is 111131022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36685519 + ... + 36691518.

Almost surely, 2^220131111000 is an apocalyptic number.

220131111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220131111000 is an abundant number, since it is smaller than the sum of its proper divisors (466677964680).

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

220131111000 is a wasteful number, since it uses less digits than its factorization.

220131111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73377061 (or 73377047 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 220131111000 its reverse (111131022), we get a palindrome (220242242022).

The spelling of 220131111000 in words is "two hundred twenty billion, one hundred thirty-one million, one hundred eleven thousand".