20003112030 has 64 divisors (see below), whose sum is σ = 55128211200. Its totient is φ = 4594014720.

The previous prime is 20003111981. The next prime is 20003112053. The reversal of 20003112030 is 3021130002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20003111997 and 20003112015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1588875 + ... + 1601414.

It is an arithmetic number, because the mean of its divisors is an integer number (861378300).

Almost surely, 2^20003112030 is an apocalyptic number.

20003112030 is an abundant number, since it is smaller than the sum of its proper divisors (35125099170).

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

20003112030 is a wasteful number, since it uses less digits than its factorization.

20003112030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190329.

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

Adding to 20003112030 its reverse (3021130002), we get a palindrome (23024242032).

The spelling of 20003112030 in words is "twenty billion, three million, one hundred twelve thousand, thirty".