20326445400200 has 96 divisors (see below), whose sum is σ = 50109413551200. Its totient is φ = 7646429053440.

The previous prime is 20326445400137. The next prime is 20326445400251. The reversal of 20326445400200 is 200454462302.

It is a happy 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, 19001534 + ... + 20042733.

It is an arithmetic number, because the mean of its divisors is an integer number (521973057825).

Almost surely, 2^{20326445400200} is an apocalyptic number.

20326445400200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20326445400200 is an abundant number, since it is smaller than the sum of its proper divisors (29782968151000).

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

20326445400200 is a wasteful number, since it uses less digits than its factorization.

20326445400200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39044439 (or 39044430 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 20326445400200 its reverse (200454462302), we get a palindrome (20526899862502).

The spelling of 20326445400200 in words is "twenty trillion, three hundred twenty-six billion, four hundred forty-five million, four hundred thousand, two hundred".