20031201112 has 16 divisors (see below), whose sum is σ = 40447617840. Its totient is φ = 9245169696.

The previous prime is 20031201107. The next prime is 20031201137. The reversal of 20031201112 is 21110213002.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 20031201092 and 20031201101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96303748 + ... + 96303955.

It is an arithmetic number, because the mean of its divisors is an integer number (2527976115).

Almost surely, 2^20031201112 is an apocalyptic number.

It is an amenable number.

20031201112 is an abundant number, since it is smaller than the sum of its proper divisors (20416416728).

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

20031201112 is a wasteful number, since it uses less digits than its factorization.

20031201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192607722 (or 192607718 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20031201112 its reverse (21110213002), we get a palindrome (41141414114).

The spelling of 20031201112 in words is "twenty billion, thirty-one million, two hundred one thousand, one hundred twelve".