20200000120100 has 36 divisors (see below), whose sum is σ = 45248000275968. Its totient is φ = 7819354884000.

The previous prime is 20200000120081. The next prime is 20200000120151. The reversal of 20200000120100 is 102100000202.

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 11 ways as a sum of consecutive naturals, for example, 3258061436 + ... + 3258067635.

Almost surely, 2^{20200000120100} is an apocalyptic number.

20200000120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200000120100 is an abundant number, since it is smaller than the sum of its proper divisors (25048000155868).

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

20200000120100 is a wasteful number, since it uses less digits than its factorization.

20200000120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6516129116 (or 6516129109 counting only the distinct ones).

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

Adding to 20200000120100 its reverse (102100000202), we get a palindrome (20302100120302).

The spelling of 20200000120100 in words is "twenty trillion, two hundred billion, one hundred twenty thousand, one hundred".