30255033513220 has 24 divisors (see below), whose sum is σ = 65013141783744. Its totient is φ = 11820571232736.

The previous prime is 30255033513209. The next prime is 30255033513281. The reversal of 30255033513220 is 2231533055203.

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, 17590134904 + ... + 17590136623.

It is an arithmetic number, because the mean of its divisors is an integer number (2708880907656).

Almost surely, 2^{30255033513220} is an apocalyptic number.

It is an amenable number.

30255033513220 is an abundant number, since it is smaller than the sum of its proper divisors (34758108270524).

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

30255033513220 is a wasteful number, since it uses less digits than its factorization.

30255033513220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35180271579 (or 35180271577 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 34.

Adding to 30255033513220 its reverse (2231533055203), we get a palindrome (32486566568423).

The spelling of 30255033513220 in words is "thirty trillion, two hundred fifty-five billion, thirty-three million, five hundred thirteen thousand, two hundred twenty".