20100200101120 has 72 divisors (see below), whose sum is σ = 50680274329440. Its totient is φ = 7616917923840.

The previous prime is 20100200101117. The next prime is 20100200101159. The reversal of 20100200101120 is 2110100200102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20100200101097 and 20100200101106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413219926 + ... + 413268565.

It is an arithmetic number, because the mean of its divisors is an integer number (703892699020).

Almost surely, 2^{20100200101120} is an apocalyptic number.

20100200101120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100200101120 is an abundant number, since it is smaller than the sum of its proper divisors (30580074228320).

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

20100200101120 is an equidigital number, since it uses as much as digits as its factorization.

20100200101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826488531 (or 826488517 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20100200101120 its reverse (2110100200102), we get a palindrome (22210300301222).

The spelling of 20100200101120 in words is "twenty trillion, one hundred billion, two hundred million, one hundred one thousand, one hundred twenty".