30554054521220 has 24 divisors (see below), whose sum is σ = 65374146845784. Its totient is φ = 11991025170176.

The previous prime is 30554054521219. The next prime is 30554054521229. The reversal of 30554054521220 is 2212545045503.

It can be written as a sum of positive squares in 4 ways, for example, as 4320153936004 + 26233900585216 = 2078498^2 + 5121904^2 .

It is not an unprimeable number, because it can be changed into a prime (30554054521229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14412288809 + ... + 14412290928.

It is an arithmetic number, because the mean of its divisors is an integer number (2723922785241).

Almost surely, 2^{30554054521220} is an apocalyptic number.

It is an amenable number.

30554054521220 is an abundant number, since it is smaller than the sum of its proper divisors (34820092324564).

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

30554054521220 is a wasteful number, since it uses less digits than its factorization.

30554054521220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28824579799 (or 28824579797 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 30554054521220 its reverse (2212545045503), we get a palindrome (32766599566723).

The spelling of 30554054521220 in words is "thirty trillion, five hundred fifty-four billion, fifty-four million, five hundred twenty-one thousand, two hundred twenty".