20756340112 has 40 divisors (see below), whose sum is σ = 41166338400. Its totient is φ = 10132953600.

The previous prime is 20756340097. The next prime is 20756340169. The reversal of 20756340112 is 21104365702.

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, 2781987 + ... + 2789437.

It is an arithmetic number, because the mean of its divisors is an integer number (1029158460).

Almost surely, 2^20756340112 is an apocalyptic number.

It is an amenable number.

20756340112 is a deficient number, since it is larger than the sum of its proper divisors (20409998288).

20756340112 is a wasteful number, since it uses less digits than its factorization.

20756340112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11551 (or 11545 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 20756340112 in words is "twenty billion, seven hundred fifty-six million, three hundred forty thousand, one hundred twelve".