8452748020 has 12 divisors (see below), whose sum is σ = 17750770884. Its totient is φ = 3381099200.

The previous prime is 8452747999. The next prime is 8452748039. The reversal of 8452748020 is 208472548.

It can be written as a sum of positive squares in 2 ways, for example, as 2786572944 + 5666175076 = 52788^2 + 75274^2 .

It is a super-2 number, since 2×8452748020² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211318681 + ... + 211318720.

It is an arithmetic number, because the mean of its divisors is an integer number (1479230907).

Almost surely, 2^8452748020 is an apocalyptic number.

It is an amenable number.

8452748020 is an abundant number, since it is smaller than the sum of its proper divisors (9298022864).

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

8452748020 is a wasteful number, since it uses less digits than its factorization.

8452748020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422637410 (or 422637408 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 8452748020 is about 91938.8275974846. The cubic root of 8452748020 is about 2037.0388298226.

The spelling of 8452748020 in words is "eight billion, four hundred fifty-two million, seven hundred forty-eight thousand, twenty".