30135323020 has 48 divisors (see below), whose sum is σ = 73098311328. Its totient is φ = 10313692160.

The previous prime is 30135322981. The next prime is 30135323041. The reversal of 30135323020 is 2032353103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 30135322982 and 30135323000.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4025047 + ... + 4032526.

It is an arithmetic number, because the mean of its divisors is an integer number (1522881486).

Almost surely, 2^30135323020 is an apocalyptic number.

It is an amenable number.

30135323020 is an abundant number, since it is smaller than the sum of its proper divisors (42962988308).

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

30135323020 is a wasteful number, since it uses less digits than its factorization.

30135323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8057610 (or 8057608 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 22.

Adding to 30135323020 its reverse (2032353103), we get a palindrome (32167676123).

The spelling of 30135323020 in words is "thirty billion, one hundred thirty-five million, three hundred twenty-three thousand, twenty".