20304838600 has 24 divisors (see below), whose sum is σ = 47208750210. Its totient is φ = 8121935360.

The previous prime is 20304838579. The next prime is 20304838663. The reversal of 20304838600 is 683840302.

It can be written as a sum of positive squares in 3 ways, for example, as 13391581284 + 6913257316 = 115722^2 + 83146^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50761897 + ... + 50762296.

Almost surely, 2^20304838600 is an apocalyptic number.

20304838600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20304838600 is an abundant number, since it is smaller than the sum of its proper divisors (26903911610).

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

20304838600 is a wasteful number, since it uses less digits than its factorization.

20304838600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101524209 (or 101524200 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 20304838600 in words is "twenty billion, three hundred four million, eight hundred thirty-eight thousand, six hundred".