20020102112109 has 8 divisors (see below), whose sum is σ = 29120148526752. Its totient is φ = 12133395219440.

The previous prime is 20020102112077. The next prime is 20020102112177. The reversal of 20020102112109 is 90121120102002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20020102112109 - 2⁵ = 20020102112077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020102112209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303334880454 + ... + 303334880519.

It is an arithmetic number, because the mean of its divisors is an integer number (3640018565844).

Almost surely, 2^{20020102112109} is an apocalyptic number.

It is an amenable number.

20020102112109 is a deficient number, since it is larger than the sum of its proper divisors (9100046414643).

20020102112109 is a wasteful number, since it uses less digits than its factorization.

20020102112109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606669760987.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 20020102112109 in words is "twenty trillion, twenty billion, one hundred two million, one hundred twelve thousand, one hundred nine".