30245442220 has 96 divisors (see below), whose sum is σ = 80904337920. Its totient is φ = 9246182400.

The previous prime is 30245442217. The next prime is 30245442257. The reversal of 30245442220 is 2224454203.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289206 + ... + 379645.

It is an arithmetic number, because the mean of its divisors is an integer number (842753520).

Almost surely, 2^30245442220 is an apocalyptic number.

It is an amenable number.

30245442220 is an abundant number, since it is smaller than the sum of its proper divisors (50658895700).

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

30245442220 is a wasteful number, since it uses less digits than its factorization.

30245442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668903 (or 668901 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 30245442220 its reverse (2224454203), we get a palindrome (32469896423).

The spelling of 30245442220 in words is "thirty billion, two hundred forty-five million, four hundred forty-two thousand, two hundred twenty".