20597688883 has 2 divisors, whose sum is σ = 20597688884. Its totient is φ = 20597688882.

The previous prime is 20597688851. The next prime is 20597688901. The reversal of 20597688883 is 38888679502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20597688883 - 2⁵ = 20597688851 is a prime.

It is not a weakly prime, because it can be changed into another prime (20597688983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10298844441 + 10298844442.

It is an arithmetic number, because the mean of its divisors is an integer number (10298844442).

Almost surely, 2^20597688883 is an apocalyptic number.

20597688883 is a deficient number, since it is larger than the sum of its proper divisors (1).

20597688883 is an equidigital number, since it uses as much as digits as its factorization.

20597688883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46448640, while the sum is 64.

It can be divided in two parts, 20597688 and 883, that added together give a triangular number (20598571 = T₆₄₁₈).

The spelling of 20597688883 in words is "twenty billion, five hundred ninety-seven million, six hundred eighty-eight thousand, eight hundred eighty-three".