30323121220 has 48 divisors (see below), whose sum is σ = 72862513920. Its totient is φ = 10384066944.

The previous prime is 30323121197. The next prime is 30323121253. The reversal of 30323121220 is 2212132303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11619 + ... + 246538.

It is an arithmetic number, because the mean of its divisors is an integer number (1517969040).

Almost surely, 2^30323121220 is an apocalyptic number.

It is an amenable number.

30323121220 is an abundant number, since it is smaller than the sum of its proper divisors (42539392700).

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

30323121220 is a wasteful number, since it uses less digits than its factorization.

30323121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259012 (or 259010 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30323121220 its reverse (2212132303), we get a palindrome (32535253523).

The spelling of 30323121220 in words is "thirty billion, three hundred twenty-three million, one hundred twenty-one thousand, two hundred twenty".