30145224020 has 24 divisors (see below), whose sum is σ = 64196592768. Its totient is φ = 11888256800.

The previous prime is 30145224017. The next prime is 30145224049. The reversal of 30145224020 is 2042254103.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10613096 + ... + 10615935.

It is an arithmetic number, because the mean of its divisors is an integer number (2674858032).

Almost surely, 2^30145224020 is an apocalyptic number.

It is an amenable number.

30145224020 is an abundant number, since it is smaller than the sum of its proper divisors (34051368748).

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

30145224020 is a wasteful number, since it uses less digits than its factorization.

30145224020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21229111 (or 21229109 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 30145224020 its reverse (2042254103), we get a palindrome (32187478123).

The spelling of 30145224020 in words is "thirty billion, one hundred forty-five million, two hundred twenty-four thousand, twenty".