20102133112 has 16 divisors (see below), whose sum is σ = 37786446360. Its totient is φ = 10025747424.

The previous prime is 20102133097. The next prime is 20102133113. The reversal of 20102133112 is 21133120102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102133113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3161518 + ... + 3167869.

Almost surely, 2^20102133112 is an apocalyptic number.

It is an amenable number.

20102133112 is a deficient number, since it is larger than the sum of its proper divisors (17684313248).

20102133112 is a wasteful number, since it uses less digits than its factorization.

20102133112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6329790 (or 6329786 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20102133112 its reverse (21133120102), we get a palindrome (41235253214).

The spelling of 20102133112 in words is "twenty billion, one hundred two million, one hundred thirty-three thousand, one hundred twelve".