500645506020 has 96 divisors (see below), whose sum is σ = 1540918342656. Its totient is φ = 120442108800.

The previous prime is 500645506001. The next prime is 500645506027. The reversal of 500645506020 is 20605546005.

It is a happy number.

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 (500645506027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2808784 + ... + 2981703.

It is an arithmetic number, because the mean of its divisors is an integer number (16051232736).

Almost surely, 2^500645506020 is an apocalyptic number.

It is an amenable number.

500645506020 is an abundant number, since it is smaller than the sum of its proper divisors (1040272836636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

500645506020 is a wasteful number, since it uses less digits than its factorization.

500645506020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5790641 (or 5790639 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 500645506020 in words is "five hundred billion, six hundred forty-five million, five hundred six thousand, twenty".