8320548420 has 72 divisors (see below), whose sum is σ = 26173789824. Its totient is φ = 2218811616.

The previous prime is 8320548407. The next prime is 8320548451. The reversal of 8320548420 is 248450238.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 851164 + ... + 860883.

Almost surely, 2^8320548420 is an apocalyptic number.

It is an amenable number.

8320548420 is an abundant number, since it is smaller than the sum of its proper divisors (17853241404).

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

8320548420 is a wasteful number, since it uses less digits than its factorization.

8320548420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712071 (or 1712057 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 8320548420 is about 91217.0401843866. The cubic root of 8320548420 is about 2026.3633288481.

Adding to 8320548420 its reverse (248450238), we get a palindrome (8568998658).

The spelling of 8320548420 in words is "eight billion, three hundred twenty million, five hundred forty-eight thousand, four hundred twenty".