20235345595 has 16 divisors (see below), whose sum is σ = 24624065952. Its totient is φ = 15960672000.

The previous prime is 20235345593. The next prime is 20235345623. The reversal of 20235345595 is 59554353202.

It is not a de Polignac number, because 20235345595 - 2¹ = 20235345593 is a prime.

It is a super-2 number, since 2×20235345595² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20235345593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1178089 + ... + 1195141.

It is an arithmetic number, because the mean of its divisors is an integer number (1539004122).

Almost surely, 2^20235345595 is an apocalyptic number.

20235345595 is a deficient number, since it is larger than the sum of its proper divisors (4388720357).

20235345595 is a wasteful number, since it uses less digits than its factorization.

20235345595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20382.

The product of its (nonzero) digits is 810000, while the sum is 43.

Adding to 20235345595 its reverse (59554353202), we get a palindrome (79789698797).

The spelling of 20235345595 in words is "twenty billion, two hundred thirty-five million, three hundred forty-five thousand, five hundred ninety-five".