20100010110020 has 24 divisors (see below), whose sum is σ = 42210171589824. Its totient is φ = 8039975404256.

The previous prime is 20100010109981. The next prime is 20100010110049. The reversal of 20100010110020 is 2001101000102.

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 7 ways as a sum of consecutive naturals, for example, 4504889 + ... + 7777791.

It is an arithmetic number, because the mean of its divisors is an integer number (1758757149576).

Almost surely, 2^{20100010110020} is an apocalyptic number.

20100010110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100010110020 is an abundant number, since it is smaller than the sum of its proper divisors (22110161479804).

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

20100010110020 is a wasteful number, since it uses less digits than its factorization.

20100010110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579979 (or 3579977 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20100010110020 its reverse (2001101000102), we get a palindrome (22101111110122).

The spelling of 20100010110020 in words is "twenty trillion, one hundred billion, ten million, one hundred ten thousand, twenty".