30023232020 has 24 divisors (see below), whose sum is σ = 63151665864. Its totient is φ = 11989696896.

The previous prime is 30023232017. The next prime is 30023232049. The reversal of 30023232020 is 2023232003.

It can be written as a sum of positive squares in 4 ways, for example, as 659667856 + 29363564164 = 25684^2 + 171358^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30023232020.

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, 1212179 + ... + 1236698.

It is an arithmetic number, because the mean of its divisors is an integer number (2631319411).

Almost surely, 2^30023232020 is an apocalyptic number.

It is an amenable number.

30023232020 is an abundant number, since it is smaller than the sum of its proper divisors (33128433844).

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

30023232020 is a wasteful number, since it uses less digits than its factorization.

30023232020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449499 (or 2449497 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

Subtracting from 30023232020 its sum of digits (17), we obtain a palindrome (30023232003).

Adding to 30023232020 its reverse (2023232003), we get a palindrome (32046464023).

The spelling of 30023232020 in words is "thirty billion, twenty-three million, two hundred thirty-two thousand, twenty".