30404122220 has 24 divisors (see below), whose sum is σ = 63856061808. Its totient is φ = 12160238400.

The previous prime is 30404122207. The next prime is 30404122241. The reversal of 30404122220 is 2222140403.

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 = 30404122192 and 30404122201.

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, 98210 + ... + 265430.

It is an arithmetic number, because the mean of its divisors is an integer number (2660669242).

Almost surely, 2^30404122220 is an apocalyptic number.

It is an amenable number.

30404122220 is an abundant number, since it is smaller than the sum of its proper divisors (33451939588).

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

30404122220 is a wasteful number, since it uses less digits than its factorization.

30404122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176321 (or 176319 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 30404122220 its reverse (2222140403), we get a palindrome (32626262623).

The spelling of 30404122220 in words is "thirty billion, four hundred four million, one hundred twenty-two thousand, two hundred twenty".