20330447264 has 24 divisors (see below), whose sum is σ = 40030518528. Its totient is φ = 10163966400.

The previous prime is 20330447231. The next prime is 20330447297. The reversal of 20330447264 is 46274403302.

It is an interprime number because it is at equal distance from previous prime (20330447231) and next prime (20330447297).

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, 258119 + ... + 327545.

It is an arithmetic number, because the mean of its divisors is an integer number (1667938272).

Almost surely, 2^20330447264 is an apocalyptic number.

It is an amenable number.

20330447264 is a deficient number, since it is larger than the sum of its proper divisors (19700071264).

20330447264 is an equidigital number, since it uses as much as digits as its factorization.

20330447264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78588 (or 78580 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 35.

The spelling of 20330447264 in words is "twenty billion, three hundred thirty million, four hundred forty-seven thousand, two hundred sixty-four".