10109100020 has 24 divisors (see below), whose sum is σ = 21234576384. Its totient is φ = 4042598816.

The previous prime is 10109100019. The next prime is 10109100059. The reversal of 10109100020 is 2000190101.

It is a junction number, because it is equal to n+sod(n) for n = 10109099968 and 10109100004.

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, 17069 + ... + 143211.

It is an arithmetic number, because the mean of its divisors is an integer number (884774016).

Almost surely, 2^10109100020 is an apocalyptic number.

10109100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10109100020 is an abundant number, since it is smaller than the sum of its proper divisors (11125476364).

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

10109100020 is a wasteful number, since it uses less digits than its factorization.

10109100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130159 (or 130157 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 10109100020 its reverse (2000190101), we get a palindrome (12109290121).

The spelling of 10109100020 in words is "ten billion, one hundred nine million, one hundred thousand, twenty".