20201431112 has 32 divisors (see below), whose sum is σ = 39058588800. Its totient is φ = 9789072000.

The previous prime is 20201431087. The next prime is 20201431121. The reversal of 20201431112 is 21113410202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154412 + ... + 253467.

It is an arithmetic number, because the mean of its divisors is an integer number (1220580900).

Almost surely, 2^20201431112 is an apocalyptic number.

It is an amenable number.

20201431112 is a deficient number, since it is larger than the sum of its proper divisors (18857157688).

20201431112 is a wasteful number, since it uses less digits than its factorization.

20201431112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408077 (or 408073 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20201431112 its reverse (21113410202), we get a palindrome (41314841314).

The spelling of 20201431112 in words is "twenty billion, two hundred one million, four hundred thirty-one thousand, one hundred twelve".