200020100020100 has 72 divisors (see below), whose sum is σ = 434365265093760. Its totient is φ = 79948768449280.

The previous prime is 200020100020061. The next prime is 200020100020123. The reversal of 200020100020100 is 1020001020002.

It is a super-3 number, since 3×200020100020100³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 894980969 + ... + 895204431.

It is an arithmetic number, because the mean of its divisors is an integer number (6032850904080).

Almost surely, 2^{200020100020100} is an apocalyptic number.

200020100020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200020100020100 is an abundant number, since it is smaller than the sum of its proper divisors (234345165073660).

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

200020100020100 is a wasteful number, since it uses less digits than its factorization.

200020100020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230069 (or 230062 counting only the distinct ones).

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

Adding to 200020100020100 its reverse (1020001020002), we get a palindrome (201040101040102).

The spelling of 200020100020100 in words is "two hundred trillion, twenty billion, one hundred million, twenty thousand, one hundred".