20700325188517 has 24 divisors (see below), whose sum is σ = 22442650020864. Its totient is φ = 19084560116544.

The previous prime is 20700325188481. The next prime is 20700325188533. The reversal of 20700325188517 is 71588152300702.

It is a de Polignac number, because none of the positive numbers 2^k-20700325188517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20700325185517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 480230988 + ... + 480274090.

It is an arithmetic number, because the mean of its divisors is an integer number (935110417536).

Almost surely, 2^{20700325188517} is an apocalyptic number.

It is an amenable number.

20700325188517 is a deficient number, since it is larger than the sum of its proper divisors (1742324832347).

20700325188517 is a wasteful number, since it uses less digits than its factorization.

20700325188517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46549 (or 46536 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 49.

The spelling of 20700325188517 in words is "twenty trillion, seven hundred billion, three hundred twenty-five million, one hundred eighty-eight thousand, five hundred seventeen".