30555350113220 has 24 divisors (see below), whose sum is σ = 64166349988608. Its totient is φ = 12222118188000.

The previous prime is 30555350113181. The next prime is 30555350113289. The reversal of 30555350113220 is 2231105355503.

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, 14713115 + ... + 16660925.

It is an arithmetic number, because the mean of its divisors is an integer number (2673597916192).

Almost surely, 2^{30555350113220} is an apocalyptic number.

It is an amenable number.

30555350113220 is an abundant number, since it is smaller than the sum of its proper divisors (33610999875388).

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

30555350113220 is a wasteful number, since it uses less digits than its factorization.

30555350113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732171 (or 2732169 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 35.

Adding to 30555350113220 its reverse (2231105355503), we get a palindrome (32786455468723).

The spelling of 30555350113220 in words is "thirty trillion, five hundred fifty-five billion, three hundred fifty million, one hundred thirteen thousand, two hundred twenty".