20427906759 has 16 divisors (see below), whose sum is σ = 29885823072. Its totient is φ = 12333829248.

The previous prime is 20427906743. The next prime is 20427906761. The reversal of 20427906759 is 95760972402.

It is not a de Polignac number, because 20427906759 - 2⁴ = 20427906743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20427906659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4939372 + ... + 4943505.

It is an arithmetic number, because the mean of its divisors is an integer number (1867863942).

Almost surely, 2^20427906759 is an apocalyptic number.

20427906759 is a deficient number, since it is larger than the sum of its proper divisors (9457916313).

20427906759 is a wasteful number, since it uses less digits than its factorization.

20427906759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9882946.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 20427906759 in words is "twenty billion, four hundred twenty-seven million, nine hundred six thousand, seven hundred fifty-nine".