20203130304 has 168 divisors, whose sum is σ = 66293012448. Its totient is φ = 5762580480.

The previous prime is 20203130291. The next prime is 20203130329. The reversal of 20203130304 is 40303130202.

It is a tau number, because it is divible by the number of its divisors (168).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2580604 + ... + 2588420.

Almost surely, 2^20203130304 is an apocalyptic number.

20203130304 is a gapful number since it is divisible by the number (24) 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 20203130304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33146506224).

20203130304 is an abundant number, since it is smaller than the sum of its proper divisors (46089882144).

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

20203130304 is a wasteful number, since it uses less digits than its factorization.

20203130304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8483 (or 8470 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20203130304 its reverse (40303130202), we get a palindrome (60506260506).

The spelling of 20203130304 in words is "twenty billion, two hundred three million, one hundred thirty thousand, three hundred four".