20102000200100 has 144 divisors (see below), whose sum is σ = 56022056525568. Its totient is φ = 6085345052160.

The previous prime is 20102000200091. The next prime is 20102000200109. The reversal of 20102000200100 is 100200020102.

It is an interprime number because it is at equal distance from previous prime (20102000200091) and next prime (20102000200109).

It is not an unprimeable number, because it can be changed into a prime (20102000200109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47812679 + ... + 48231278.

Almost surely, 2^{20102000200100} is an apocalyptic number.

20102000200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102000200100 is an abundant number, since it is smaller than the sum of its proper divisors (35920056325468).

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

20102000200100 is a wasteful number, since it uses less digits than its factorization.

20102000200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96044014 (or 96044007 counting only the distinct ones).

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

Adding to 20102000200100 its reverse (100200020102), we get a palindrome (20202200220202).

The spelling of 20102000200100 in words is "twenty trillion, one hundred two billion, two hundred thousand, one hundred".