20351001356597 has 8 divisors (see below), whose sum is σ = 21595756783680. Its totient is φ = 19136240036320.

The previous prime is 20351001356527. The next prime is 20351001356633. The reversal of 20351001356597 is 79565310015302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20351001356597 - 2²⁰ = 20351000308021 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 (20351001356527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7498525304 + ... + 7498528017.

It is an arithmetic number, because the mean of its divisors is an integer number (2699469597960).

Almost surely, 2^{20351001356597} is an apocalyptic number.

It is an amenable number.

20351001356597 is a deficient number, since it is larger than the sum of its proper divisors (1244755427083).

20351001356597 is a wasteful number, since it uses less digits than its factorization.

20351001356597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14997053403.

The product of its (nonzero) digits is 850500, while the sum is 47.

The spelling of 20351001356597 in words is "twenty trillion, three hundred fifty-one billion, one million, three hundred fifty-six thousand, five hundred ninety-seven".