30022120321220 has 12 divisors (see below), whose sum is σ = 63046452674604. Its totient is φ = 12008848128480.

The previous prime is 30022120321181. The next prime is 30022120321229. The reversal of 30022120321220 is 2212302122003.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23169358663936 + 6852761657284 = 4813456^2 + 2617778^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1501106016061 = 30022120321220 / (3 + 0 + 0 + 2 + 2 + 1 + 2 + 0 + 3 + 2 + 1 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 30022120321192 and 30022120321201.

It is not an unprimeable number, because it can be changed into a prime (30022120321229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750553008011 + ... + 750553008050.

It is an arithmetic number, because the mean of its divisors is an integer number (5253871056217).

Almost surely, 2^{30022120321220} is an apocalyptic number.

It is an amenable number.

30022120321220 is an abundant number, since it is smaller than the sum of its proper divisors (33024332353384).

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

30022120321220 is a wasteful number, since it uses less digits than its factorization.

30022120321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501106016070 (or 1501106016068 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30022120321220 its reverse (2212302122003), we get a palindrome (32234422443223).

The spelling of 30022120321220 in words is "thirty trillion, twenty-two billion, one hundred twenty million, three hundred twenty-one thousand, two hundred twenty".