20200201210100 has 72 divisors (see below), whose sum is σ = 43900489022208. Its totient is φ = 8067907900800.

The previous prime is 20200201210087. The next prime is 20200201210103. The reversal of 20200201210100 is 101210200202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200201210103) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 789581909 + ... + 789607491.

Almost surely, 2^{20200201210100} is an apocalyptic number.

20200201210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200201210100 is an abundant number, since it is smaller than the sum of its proper divisors (23700287812108).

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

20200201210100 is a wasteful number, since it uses less digits than its factorization.

20200201210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37185 (or 37178 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20200201210100 its reverse (101210200202), we get a palindrome (20301411410302).

The spelling of 20200201210100 in words is "twenty trillion, two hundred billion, two hundred one million, two hundred ten thousand, one hundred".