9575420820 has 48 divisors (see below), whose sum is σ = 30641347968. Its totient is φ = 2188667520.

The previous prime is 9575420797. The next prime is 9575420821. The reversal of 9575420820 is 280245759.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9575420821) 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, 11398891 + ... + 11399730.

It is an arithmetic number, because the mean of its divisors is an integer number (638361416).

Almost surely, 2^9575420820 is an apocalyptic number.

It is an amenable number.

9575420820 is an abundant number, since it is smaller than the sum of its proper divisors (21065927148).

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

9575420820 is a wasteful number, since it uses less digits than its factorization.

9575420820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22798640 (or 22798638 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 9575420820 is about 97854.0792200305. The cubic root of 9575420820 is about 2123.5017495218.

The spelling of 9575420820 in words is "nine billion, five hundred seventy-five million, four hundred twenty thousand, eight hundred twenty".