20375000547 has 16 divisors (see below), whose sum is σ = 30924903168. Its totient is φ = 11811594080.

The previous prime is 20375000539. The next prime is 20375000557. The reversal of 20375000547 is 74500057302.

It is not a de Polignac number, because 20375000547 - 2³ = 20375000539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (20375000557) 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, 13421508 + ... + 13423025.

It is an arithmetic number, because the mean of its divisors is an integer number (1932806448).

Almost surely, 2^20375000547 is an apocalyptic number.

20375000547 is a deficient number, since it is larger than the sum of its proper divisors (10549902621).

20375000547 is a wasteful number, since it uses less digits than its factorization.

20375000547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26844570.

The product of its (nonzero) digits is 29400, while the sum is 33.

Adding to 20375000547 its reverse (74500057302), we get a palindrome (94875057849).

The spelling of 20375000547 in words is "twenty billion, three hundred seventy-five million, five hundred forty-seven", and thus it is an aban number.