20597297660711 has 8 divisors (see below), whose sum is σ = 20637485930880. Its totient is φ = 20557147541112.

The previous prime is 20597297660671. The next prime is 20597297660713. The reversal of 20597297660711 is 11706679279502.

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 20597297660711 - 2¹⁸ = 20597297398567 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 (20597297660713) 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, 8456681 + ... + 10616498.

It is an arithmetic number, because the mean of its divisors is an integer number (2579685741360).

Almost surely, 2^{20597297660711} is an apocalyptic number.

20597297660711 is a deficient number, since it is larger than the sum of its proper divisors (40188270169).

20597297660711 is a wasteful number, since it uses less digits than its factorization.

20597297660711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19075285.

The product of its (nonzero) digits is 20003760, while the sum is 62.

The spelling of 20597297660711 in words is "twenty trillion, five hundred ninety-seven billion, two hundred ninety-seven million, six hundred sixty thousand, seven hundred eleven".