20404034300 has 36 divisors (see below), whose sum is σ = 47682661656. Its totient is φ = 7533796800.

The previous prime is 20404034291. The next prime is 20404034311. The reversal of 20404034300 is 343040402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7846406 + ... + 7849005.

Almost surely, 2^20404034300 is an apocalyptic number.

20404034300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20404034300 is an abundant number, since it is smaller than the sum of its proper divisors (27278627356).

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

20404034300 is a wasteful number, since it uses less digits than its factorization.

20404034300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15695438 (or 15695431 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20404034300 its reverse (343040402), we get a palindrome (20747074702).

The spelling of 20404034300 in words is "twenty billion, four hundred four million, thirty-four thousand, three hundred".