8664603020 has 24 divisors (see below), whose sum is σ = 18687442704. Its totient is φ = 3372169536.

The previous prime is 8664602963. The next prime is 8664603023. The reversal of 8664603020 is 203064668.

It is not an unprimeable number, because it can be changed into a prime (8664603023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5853722 + ... + 5855201.

It is an arithmetic number, because the mean of its divisors is an integer number (778643446).

Almost surely, 2^8664603020 is an apocalyptic number.

It is an amenable number.

8664603020 is an abundant number, since it is smaller than the sum of its proper divisors (10022839684).

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

8664603020 is a wasteful number, since it uses less digits than its factorization.

8664603020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11708969 (or 11708967 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 8664603020 is about 93083.8494047168. The cubic root of 8664603020 is about 2053.9170018675.

Adding to 8664603020 its reverse (203064668), we get a palindrome (8867667688).

The spelling of 8664603020 in words is "eight billion, six hundred sixty-four million, six hundred three thousand, twenty".