50002665220 has 12 divisors (see below), whose sum is σ = 105005597004. Its totient is φ = 20001066080.

The previous prime is 50002665179. The next prime is 50002665221. The reversal of 50002665220 is 2256620005.

It can be written as a sum of positive squares in 2 ways, for example, as 25187594436 + 24815070784 = 158706^2 + 157528^2 .

It is not an unprimeable number, because it can be changed into a prime (50002665221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250066611 + ... + 1250066650.

It is an arithmetic number, because the mean of its divisors is an integer number (8750466417).

Almost surely, 2^50002665220 is an apocalyptic number.

It is an amenable number.

50002665220 is an abundant number, since it is smaller than the sum of its proper divisors (55002931784).

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

50002665220 is a wasteful number, since it uses less digits than its factorization.

50002665220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500133270 (or 2500133268 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 50002665220 in words is "fifty billion, two million, six hundred sixty-five thousand, two hundred twenty".