20012027039 has 4 divisors (see below), whose sum is σ = 21065291640. Its totient is φ = 18958762440.

The previous prime is 20012027027. The next prime is 20012027053. The reversal of 20012027039 is 93072021002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20012027039 - 2¹⁶ = 20011961503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20012026999 and 20012027017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012027099) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 526632272 + ... + 526632309.

It is an arithmetic number, because the mean of its divisors is an integer number (5266322910).

Almost surely, 2^20012027039 is an apocalyptic number.

20012027039 is a deficient number, since it is larger than the sum of its proper divisors (1053264601).

20012027039 is a wasteful number, since it uses less digits than its factorization.

20012027039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053264600.

The product of its (nonzero) digits is 1512, while the sum is 26.

The spelling of 20012027039 in words is "twenty billion, twelve million, twenty-seven thousand, thirty-nine".