20203304131304 has 128 divisors (see below), whose sum is σ = 46729838131200. Its totient is φ = 8000283582720.

The previous prime is 20203304131217. The next prime is 20203304131313. The reversal of 20203304131304 is 40313140330202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5099219 + ... + 8149149.

It is an arithmetic number, because the mean of its divisors is an integer number (365076860400).

Almost surely, 2^{20203304131304} 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 20203304131304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23364919065600).

20203304131304 is an abundant number, since it is smaller than the sum of its proper divisors (26526533999896).

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

20203304131304 is a wasteful number, since it uses less digits than its factorization.

20203304131304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050143 (or 3050139 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20203304131304 its reverse (40313140330202), we get a palindrome (60516444461506).

The spelling of 20203304131304 in words is "twenty trillion, two hundred three billion, three hundred four million, one hundred thirty-one thousand, three hundred four".