30220320120 has 32 divisors (see below), whose sum is σ = 90660960720. Its totient is φ = 8058752000.

The previous prime is 30220320101. The next prime is 30220320121. The reversal of 30220320120 is 2102302203.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30220320120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220320121) 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, 125917881 + ... + 125918120.

Almost surely, 2^30220320120 is an apocalyptic number.

30220320120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30220320120 is an abundant number, since it is smaller than the sum of its proper divisors (60440640600).

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

30220320120 is a wasteful number, since it uses less digits than its factorization.

30220320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251836015 (or 251836011 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30220320120 its reverse (2102302203), we get a palindrome (32322622323).

The spelling of 30220320120 in words is "thirty billion, two hundred twenty million, three hundred twenty thousand, one hundred twenty".