200001201200020 has 24 divisors (see below), whose sum is σ = 458184570022368. Its totient is φ = 72727709527200.

The previous prime is 200001201199997. The next prime is 200001201200107. The reversal of 200001201200020 is 20002102100002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454548184326 + ... + 454548184765.

It is an arithmetic number, because the mean of its divisors is an integer number (19091023750932).

Almost surely, 2^{200001201200020} is an apocalyptic number.

200001201200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200001201200020 is an abundant number, since it is smaller than the sum of its proper divisors (258183368822348).

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

200001201200020 is a wasteful number, since it uses less digits than its factorization.

200001201200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909096369111 (or 909096369109 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 200001201200020 its reverse (20002102100002), we get a palindrome (220003303300022).

The spelling of 200001201200020 in words is "two hundred trillion, one billion, two hundred one million, two hundred thousand, twenty".