20003332020400 has 30 divisors (see below), whose sum is σ = 48058005179972. Its totient is φ = 8001332808000.

The previous prime is 20003332020391. The next prime is 20003332020461. The reversal of 20003332020400 is 402023330002.

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 5 ways as a sum of consecutive naturals, for example, 25004164626 + ... + 25004165425.

Almost surely, 2^{20003332020400} is an apocalyptic number.

20003332020400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20003332020400 is an abundant number, since it is smaller than the sum of its proper divisors (28054673159572).

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

20003332020400 is a wasteful number, since it uses less digits than its factorization.

20003332020400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50008330069 (or 50008330058 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 20003332020400 its reverse (402023330002), we get a palindrome (20405355350402).

The spelling of 20003332020400 in words is "twenty trillion, three billion, three hundred thirty-two million, twenty thousand, four hundred".