30220013142 has 96 divisors (see below), whose sum is σ = 74409753600. Its totient is φ = 9116154720.

The previous prime is 30220013137. The next prime is 30220013179. The reversal of 30220013142 is 24131002203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1179484 + ... + 1204832.

It is an arithmetic number, because the mean of its divisors is an integer number (775101600).

Almost surely, 2^30220013142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30220013142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37204876800).

30220013142 is an abundant number, since it is smaller than the sum of its proper divisors (44189740458).

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

30220013142 is a wasteful number, since it uses less digits than its factorization.

30220013142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25600 (or 25588 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30220013142 its reverse (24131002203), we get a palindrome (54351015345).

The spelling of 30220013142 in words is "thirty billion, two hundred twenty million, thirteen thousand, one hundred forty-two".