30321203211020 has 24 divisors (see below), whose sum is σ = 67025817625200. Its totient is φ = 11490140164032.

The previous prime is 30321203211007. The next prime is 30321203211043. The reversal of 30321203211020 is 2011230212303.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30321203210983 and 30321203211001.

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, 39896319635 + ... + 39896320394.

It is an arithmetic number, because the mean of its divisors is an integer number (2792742401050).

Almost surely, 2^{30321203211020} is an apocalyptic number.

It is an amenable number.

30321203211020 is an abundant number, since it is smaller than the sum of its proper divisors (36704614414180).

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

30321203211020 is a wasteful number, since it uses less digits than its factorization.

30321203211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79792640057 (or 79792640055 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30321203211020 its reverse (2011230212303), we get a palindrome (32332433423323).

The spelling of 30321203211020 in words is "thirty trillion, three hundred twenty-one billion, two hundred three million, two hundred eleven thousand, twenty".