30332122420 has 24 divisors (see below), whose sum is σ = 63718395048. Its totient is φ = 12128860800.

The previous prime is 30332122409. The next prime is 30332122427. The reversal of 30332122420 is 2422123303.

It can be written as a sum of positive squares in 4 ways, for example, as 4250518416 + 26081604004 = 65196^2 + 161498^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30332122391 and 30332122400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30332122427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186511 + ... + 308950.

It is an arithmetic number, because the mean of its divisors is an integer number (2654933127).

Almost surely, 2^30332122420 is an apocalyptic number.

It is an amenable number.

30332122420 is an abundant number, since it is smaller than the sum of its proper divisors (33386272628).

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

30332122420 is a wasteful number, since it uses less digits than its factorization.

30332122420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498531 (or 498529 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 30332122420 its reverse (2422123303), we get a palindrome (32754245723).

The spelling of 30332122420 in words is "thirty billion, three hundred thirty-two million, one hundred twenty-two thousand, four hundred twenty".