20102100032112 has 80 divisors (see below), whose sum is σ = 62472691848960. Its totient is φ = 5441169931776.

The previous prime is 20102100032107. The next prime is 20102100032123. The reversal of 20102100032112 is 21123000120102.

It is a junction number, because it is equal to n+sod(n) for n = 20102100032091 and 20102100032100.

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, 1574406213 + ... + 1574418980.

It is an arithmetic number, because the mean of its divisors is an integer number (780908648112).

Almost surely, 2^{20102100032112} is an apocalyptic number.

It is an amenable number.

20102100032112 is an abundant number, since it is smaller than the sum of its proper divisors (42370591816848).

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

20102100032112 is a wasteful number, since it uses less digits than its factorization.

20102100032112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3148825230 (or 3148825224 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20102100032112 its reverse (21123000120102), we get a palindrome (41225100152214).

The spelling of 20102100032112 in words is "twenty trillion, one hundred two billion, one hundred million, thirty-two thousand, one hundred twelve".