4645831020 has 24 divisors (see below), whose sum is σ = 13008327024. Its totient is φ = 1238888256.

The previous prime is 4645830997. The next prime is 4645831039. The reversal of 4645831020 is 201385464.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38715199 + ... + 38715318.

It is an arithmetic number, because the mean of its divisors is an integer number (542013626).

Almost surely, 2^4645831020 is an apocalyptic number.

It is an amenable number.

4645831020 is an abundant number, since it is smaller than the sum of its proper divisors (8362496004).

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

4645831020 is a wasteful number, since it uses less digits than its factorization.

4645831020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77430529 (or 77430527 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 4645831020 is about 68160.3331858054. Note that the first 3 decimals coincide. The cubic root of 4645831020 is about 1668.6085700391.

The spelling of 4645831020 in words is "four billion, six hundred forty-five million, eight hundred thirty-one thousand, twenty".