5245637220 has 96 divisors (see below), whose sum is σ = 16330487040. Its totient is φ = 1397917440.

The previous prime is 5245637219. The next prime is 5245637227. The reversal of 5245637220 is 227365425.

5245637220 is a `hidden beast` number, since 5 + 2 + 4 + 563 + 72 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5245637227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1349680 + ... + 1353560.

It is an arithmetic number, because the mean of its divisors is an integer number (170109240).

Almost surely, 2^5245637220 is an apocalyptic number.

It is an amenable number.

5245637220 is an abundant number, since it is smaller than the sum of its proper divisors (11084849820).

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

5245637220 is a wasteful number, since it uses less digits than its factorization.

5245637220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6402 (or 6394 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 5245637220 is about 72426.7714315639. The cubic root of 5245637220 is about 1737.5317560229.

It can be divided in two parts, 52456 and 37220, that added together give a triangular number (89676 = T₄₂₃).

The spelling of 5245637220 in words is "five billion, two hundred forty-five million, six hundred thirty-seven thousand, two hundred twenty".