20010200100200 has 24 divisors (see below), whose sum is σ = 46523715233430. Its totient is φ = 8004080040000.

The previous prime is 20010200100173. The next prime is 20010200100223. The reversal of 20010200100200 is 200100201002.

It can be written as a sum of positive squares in 3 ways, for example, as 16908099906916 + 3102100193284 = 4111946^2 + 1761278^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50025500051 + ... + 50025500450.

Almost surely, 2^{20010200100200} is an apocalyptic number.

20010200100200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010200100200 is an abundant number, since it is smaller than the sum of its proper divisors (26513515133230).

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

20010200100200 is a wasteful number, since it uses less digits than its factorization.

20010200100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100051000517 (or 100051000508 counting only the distinct ones).

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

Adding to 20010200100200 its reverse (200100201002), we get a palindrome (20210300301202).

The spelling of 20010200100200 in words is "twenty trillion, ten billion, two hundred million, one hundred thousand, two hundred".