20620556300712 has 64 divisors (see below), whose sum is σ = 51708277670400. Its totient is φ = 6852606895040.

The previous prime is 20620556300683. The next prime is 20620556300719. The reversal of 20620556300712 is 21700365502602.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20620556300719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52361839 + ... + 52754177.

It is an arithmetic number, because the mean of its divisors is an integer number (807941838600).

Almost surely, 2^{20620556300712} is an apocalyptic number.

It is an amenable number.

20620556300712 is an abundant number, since it is smaller than the sum of its proper divisors (31087721369688).

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

20620556300712 is a wasteful number, since it uses less digits than its factorization.

20620556300712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399006 (or 399002 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 20620556300712 in words is "twenty trillion, six hundred twenty billion, five hundred fifty-six million, three hundred thousand, seven hundred twelve".