20010110109 has 32 divisors (see below), whose sum is σ = 29343859200. Its totient is φ = 12028315200.

The previous prime is 20010110047. The next prime is 20010110137. The reversal of 20010110109 is 90101101002.

It is not a de Polignac number, because 20010110109 - 2¹¹ = 20010108061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010110189) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3867094 + ... + 3872264.

It is an arithmetic number, because the mean of its divisors is an integer number (916995600).

Almost surely, 2^20010110109 is an apocalyptic number.

It is an amenable number.

20010110109 is a deficient number, since it is larger than the sum of its proper divisors (9333749091).

20010110109 is a wasteful number, since it uses less digits than its factorization.

20010110109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6121.

The product of its (nonzero) digits is 18, while the sum is 15.

The spelling of 20010110109 in words is "twenty billion, ten million, one hundred ten thousand, one hundred nine".