20372000475 has 48 divisors (see below), whose sum is σ = 35188506720. Its totient is φ = 10386432000.

The previous prime is 20372000471. The next prime is 20372000477. The reversal of 20372000475 is 57400027302.

It is not a de Polignac number, because 20372000475 - 2² = 20372000471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20372000471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 173307 + ... + 266043.

It is an arithmetic number, because the mean of its divisors is an integer number (733093890).

Almost surely, 2^20372000475 is an apocalyptic number.

20372000475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20372000475 is a deficient number, since it is larger than the sum of its proper divisors (14816506245).

20372000475 is a wasteful number, since it uses less digits than its factorization.

20372000475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92880 (or 92875 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

Adding to 20372000475 its reverse (57400027302), we get a palindrome (77772027777).

The spelling of 20372000475 in words is "twenty billion, three hundred seventy-two million, four hundred seventy-five", and thus it is an aban number.