20110202001200 has 60 divisors (see below), whose sum is σ = 48611170037928. Its totient is φ = 7994730585600.

The previous prime is 20110202001083. The next prime is 20110202001289. The reversal of 20110202001200 is 210020201102.

It is a happy 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 11 ways as a sum of consecutive naturals, for example, 154154141 + ... + 154284540.

Almost surely, 2^{20110202001200} is an apocalyptic number.

20110202001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110202001200 is an abundant number, since it is smaller than the sum of its proper divisors (28500968036728).

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

20110202001200 is a wasteful number, since it uses less digits than its factorization.

20110202001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308438862 (or 308438851 counting only the distinct ones).

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

Adding to 20110202001200 its reverse (210020201102), we get a palindrome (20320222202302).

The spelling of 20110202001200 in words is "twenty trillion, one hundred ten billion, two hundred two million, one thousand, two hundred".