20597452455 has 96 divisors (see below), whose sum is σ = 35702857728. Its totient is φ = 10135238400.

The previous prime is 20597452439. The next prime is 20597452471. The reversal of 20597452455 is 55425479502.

It is an interprime number because it is at equal distance from previous prime (20597452439) and next prime (20597452471).

It is not a de Polignac number, because 20597452455 - 2⁴ = 20597452439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41949760 + ... + 41950250.

It is an arithmetic number, because the mean of its divisors is an integer number (371904768).

Almost surely, 2^20597452455 is an apocalyptic number.

20597452455 is a deficient number, since it is larger than the sum of its proper divisors (15105405273).

20597452455 is a wasteful number, since it uses less digits than its factorization.

20597452455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 48.

The spelling of 20597452455 in words is "twenty billion, five hundred ninety-seven million, four hundred fifty-two thousand, four hundred fifty-five".