20112334109 has 16 divisors (see below), whose sum is σ = 24452989056. Its totient is φ = 16148160000.

The previous prime is 20112334093. The next prime is 20112334111. The reversal of 20112334109 is 90143321102.

It is not a de Polignac number, because 20112334109 - 2⁴ = 20112334093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112334129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375392 + ... + 425609.

It is an arithmetic number, because the mean of its divisors is an integer number (1528311816).

Almost surely, 2^20112334109 is an apocalyptic number.

It is an amenable number.

20112334109 is a deficient number, since it is larger than the sum of its proper divisors (4340654947).

20112334109 is a wasteful number, since it uses less digits than its factorization.

20112334109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801236.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 20112334109 in words is "twenty billion, one hundred twelve million, three hundred thirty-four thousand, one hundred nine".