10109109020 has 12 divisors (see below), whose sum is σ = 21229128984. Its totient is φ = 4043643600.

The previous prime is 10109108993. The next prime is 10109109047. The reversal of 10109109020 is 2090190101.

It is an interprime number because it is at equal distance from previous prime (10109108993) and next prime (10109109047).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252727706 + ... + 252727745.

It is an arithmetic number, because the mean of its divisors is an integer number (1769094082).

Almost surely, 2^10109109020 is an apocalyptic number.

10109109020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10109109020 is an abundant number, since it is smaller than the sum of its proper divisors (11120019964).

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

10109109020 is a wasteful number, since it uses less digits than its factorization.

10109109020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505455460 (or 505455458 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 23.

Adding to 10109109020 its reverse (2090190101), we get a palindrome (12199299121).

The spelling of 10109109020 in words is "ten billion, one hundred nine million, one hundred nine thousand, twenty".