30232013020 has 96 divisors (see below), whose sum is σ = 74280084480. Its totient is φ = 10218274560.

The previous prime is 30232012997. The next prime is 30232013023. The reversal of 30232013020 is 2031023203.

It is a super-2 number, since 2×30232013020² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30232012985 and 30232013003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30232013023) 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, 153309 + ... + 289771.

It is an arithmetic number, because the mean of its divisors is an integer number (773750880).

Almost surely, 2^30232013020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30232013020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37140042240).

30232013020 is an abundant number, since it is smaller than the sum of its proper divisors (44048071460).

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

30232013020 is a wasteful number, since it uses less digits than its factorization.

30232013020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136555 (or 136553 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30232013020 its reverse (2031023203), we get a palindrome (32263036223).

The spelling of 30232013020 in words is "thirty billion, two hundred thirty-two million, thirteen thousand, twenty".