30020110320 has 80 divisors (see below), whose sum is σ = 93213632160. Its totient is φ = 7992348672.

The previous prime is 30020110279. The next prime is 30020110403. The reversal of 30020110320 is 2301102003.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30020110296 and 30020110305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46716 + ... + 249444.

It is an arithmetic number, because the mean of its divisors is an integer number (1165170402).

Almost surely, 2^30020110320 is an apocalyptic number.

30020110320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30020110320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46606816080).

30020110320 is an abundant number, since it is smaller than the sum of its proper divisors (63193521840).

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

30020110320 is a wasteful number, since it uses less digits than its factorization.

30020110320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203362 (or 203356 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 30020110320 its reverse (2301102003), we get a palindrome (32321212323).

The spelling of 30020110320 in words is "thirty billion, twenty million, one hundred ten thousand, three hundred twenty".