20100202012100 has 36 divisors (see below), whose sum is σ = 49848500991744. Its totient is φ = 6891497832480.

The previous prime is 20100202012013. The next prime is 20100202012127. The reversal of 20100202012100 is 121020200102.

It is a happy number.

20100202012100 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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, 14357286452 + ... + 14357287851.

It is an arithmetic number, because the mean of its divisors is an integer number (1384680583104).

Almost surely, 2^{20100202012100} is an apocalyptic number.

20100202012100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100202012100 is an abundant number, since it is smaller than the sum of its proper divisors (29748298979644).

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

20100202012100 is a wasteful number, since it uses less digits than its factorization.

20100202012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28714574324 (or 28714574317 counting only the distinct ones).

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

Adding to 20100202012100 its reverse (121020200102), we get a palindrome (20221222212202).

The spelling of 20100202012100 in words is "twenty trillion, one hundred billion, two hundred two million, twelve thousand, one hundred".