30220020320 has 48 divisors (see below), whose sum is σ = 81594057888. Its totient is φ = 10361149440.

The previous prime is 30220020317. The next prime is 30220020323. The reversal of 30220020320 is 2302002203.

It is an interprime number because it is at equal distance from previous prime (30220020317) and next prime (30220020323).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 30220020295 and 30220020304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220020323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13489961 + ... + 13492200.

It is an arithmetic number, because the mean of its divisors is an integer number (1699876206).

Almost surely, 2^30220020320 is an apocalyptic number.

It is an amenable number.

30220020320 is an abundant number, since it is smaller than the sum of its proper divisors (51374037568).

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

30220020320 is a wasteful number, since it uses less digits than its factorization.

30220020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26982183 (or 26982175 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 30220020320 its reverse (2302002203), we get a palindrome (32522022523).

The spelling of 30220020320 in words is "thirty billion, two hundred twenty million, twenty thousand, three hundred twenty".