30130120303220 has 96 divisors (see below), whose sum is σ = 74646779504640. Its totient is φ = 9996844677120.

The previous prime is 30130120303187. The next prime is 30130120303223. The reversal of 30130120303220 is 2230302103103.

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 = 30130120303192 and 30130120303201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130120303223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289412936 + ... + 289517024.

It is an arithmetic number, because the mean of its divisors is an integer number (777570619840).

Almost surely, 2^{30130120303220} is an apocalyptic number.

It is an amenable number.

30130120303220 is an abundant number, since it is smaller than the sum of its proper divisors (44516659201420).

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

30130120303220 is a wasteful number, since it uses less digits than its factorization.

30130120303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170833 (or 170831 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30130120303220 its reverse (2230302103103), we get a palindrome (32360422406323).

The spelling of 30130120303220 in words is "thirty trillion, one hundred thirty billion, one hundred twenty million, three hundred three thousand, two hundred twenty".