475118020 has 96 divisors (see below), whose sum is σ = 1130865120. Its totient is φ = 166440960.

The previous prime is 475118003. The next prime is 475118041. The reversal of 475118020 is 20811574.

It can be written as a sum of positive squares in 16 ways, for example, as 173817856 + 301300164 = 13184^2 + 17358^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 475118020.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459424 + ... + 460456.

It is an arithmetic number, because the mean of its divisors is an integer number (11779845).

Almost surely, 2^475118020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475118020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565432560).

475118020 is an abundant number, since it is smaller than the sum of its proper divisors (655747100).

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

475118020 is a wasteful number, since it uses less digits than its factorization.

475118020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 475118020 is about 21797.2021140329. The cubic root of 475118020 is about 780.3099907460.

Adding to 475118020 its reverse (20811574), we get a palindrome (495929594).

The spelling of 475118020 in words is "four hundred seventy-five million, one hundred eighteen thousand, twenty".