20357528597 has 32 divisors (see below), whose sum is σ = 24718846464. Its totient is φ = 16388064000.

The previous prime is 20357528573. The next prime is 20357528599. The reversal of 20357528597 is 79582575302.

It is not a de Polignac number, because 20357528597 - 2¹⁰ = 20357527573 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 (20357528599) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6883043 + ... + 6885999.

It is an arithmetic number, because the mean of its divisors is an integer number (772463952).

Almost surely, 2^20357528597 is an apocalyptic number.

It is an amenable number.

20357528597 is a deficient number, since it is larger than the sum of its proper divisors (4361317867).

20357528597 is a wasteful number, since it uses less digits than its factorization.

20357528597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749.

The product of its (nonzero) digits is 5292000, while the sum is 53.

The spelling of 20357528597 in words is "twenty billion, three hundred fifty-seven million, five hundred twenty-eight thousand, five hundred ninety-seven".