20211201200 has 60 divisors (see below), whose sum is σ = 48604197168. Its totient is φ = 8076691200.

The previous prime is 20211201169. The next prime is 20211201253. The reversal of 20211201200 is 210211202.

It is a happy 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, 400589 + ... + 448211.

Almost surely, 2^20211201200 is an apocalyptic number.

20211201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20211201200 is an abundant number, since it is smaller than the sum of its proper divisors (28392995968).

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

20211201200 is a wasteful number, since it uses less digits than its factorization.

20211201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48702 (or 48691 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20211201200 its reverse (210211202), we get a palindrome (20421412402).

The spelling of 20211201200 in words is "twenty billion, two hundred eleven million, two hundred one thousand, two hundred".