20612013112 has 32 divisors (see below), whose sum is σ = 39264696000. Its totient is φ = 10142060544.

The previous prime is 20612013089. The next prime is 20612013127. The reversal of 20612013112 is 21131021602.

It is a self number, because there is not a number n which added to its sum of digits gives 20612013112.

It is a congruent number.

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, 222913 + ... + 301519.

It is an arithmetic number, because the mean of its divisors is an integer number (1227021750).

Almost surely, 2^20612013112 is an apocalyptic number.

It is an amenable number.

20612013112 is a deficient number, since it is larger than the sum of its proper divisors (18652682888).

20612013112 is a wasteful number, since it uses less digits than its factorization.

20612013112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79135 (or 79131 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20612013112 its reverse (21131021602), we get a palindrome (41743034714).

The spelling of 20612013112 in words is "twenty billion, six hundred twelve million, thirteen thousand, one hundred twelve".