20433321200 has 30 divisors (see below), whose sum is σ = 49091055144. Its totient is φ = 8173328320.

The previous prime is 20433321197. The next prime is 20433321217. The reversal of 20433321200 is 212333402.

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 (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25541252 + ... + 25542051.

Almost surely, 2^20433321200 is an apocalyptic number.

20433321200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20433321200 is an abundant number, since it is smaller than the sum of its proper divisors (28657733944).

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

20433321200 is a wasteful number, since it uses less digits than its factorization.

20433321200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51083321 (or 51083310 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20433321200 its reverse (212333402), we get a palindrome (20645654602).

The spelling of 20433321200 in words is "twenty billion, four hundred thirty-three million, three hundred twenty-one thousand, two hundred".