20130304104 has 48 divisors (see below), whose sum is σ = 55209710400. Its totient is φ = 6625161504.

The previous prime is 20130304087. The next prime is 20130304109. The reversal of 20130304104 is 40140303102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20130304109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1763854 + ... + 1775229.

It is an arithmetic number, because the mean of its divisors is an integer number (1150202300).

Almost surely, 2^20130304104 is an apocalyptic number.

20130304104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20130304104 is an abundant number, since it is smaller than the sum of its proper divisors (35079406296).

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

20130304104 is a wasteful number, since it uses less digits than its factorization.

20130304104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3539174 (or 3539167 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20130304104 its reverse (40140303102), we get a palindrome (60270607206).

The spelling of 20130304104 in words is "twenty billion, one hundred thirty million, three hundred four thousand, one hundred four".