30224401220 has 48 divisors (see below), whose sum is σ = 68875507008. Its totient is φ = 11074577280.

The previous prime is 30224401219. The next prime is 30224401241. The reversal of 30224401220 is 2210442203.

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 = 30224401192 and 30224401201.

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, 409634 + ... + 477753.

It is an arithmetic number, because the mean of its divisors is an integer number (1434906396).

Almost surely, 2^30224401220 is an apocalyptic number.

It is an amenable number.

30224401220 is an abundant number, since it is smaller than the sum of its proper divisors (38651105788).

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

30224401220 is a wasteful number, since it uses less digits than its factorization.

30224401220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887540 (or 887538 counting only the distinct ones).

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

Adding to 30224401220 its reverse (2210442203), we get a palindrome (32434843423).

The spelling of 30224401220 in words is "thirty billion, two hundred twenty-four million, four hundred one thousand, two hundred twenty".