200001001211020 has 48 divisors (see below), whose sum is σ = 421371107011008. Its totient is φ = 79739670666240.

The previous prime is 200001001211009. The next prime is 200001001211051. The reversal of 200001001211020 is 20112100100002.

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

It is a junction number, because it is equal to n+sod(n) for n = 200001001210988 and 200001001211006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96891337 + ... + 98933983.

It is an arithmetic number, because the mean of its divisors is an integer number (8778564729396).

Almost surely, 2^{200001001211020} is an apocalyptic number.

200001001211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200001001211020 is an abundant number, since it is smaller than the sum of its proper divisors (221370105799988).

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

200001001211020 is a wasteful number, since it uses less digits than its factorization.

200001001211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058610 (or 2058608 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200001001211020 its reverse (20112100100002), we get a palindrome (220113101311022).

The spelling of 200001001211020 in words is "two hundred trillion, one billion, one million, two hundred eleven thousand, twenty".