20426095839 has 8 divisors (see below), whose sum is σ = 27236298672. Its totient is φ = 13616645120.

The previous prime is 20426095813. The next prime is 20426095841. The reversal of 20426095839 is 93859062402.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20426095839 - 2²⁰ = 20425047263 is a prime.

It is a super-2 number, since 2×20426095839² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20426095639) 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, 121272 + ... + 235709.

It is an arithmetic number, because the mean of its divisors is an integer number (3404537334).

Almost surely, 2^20426095839 is an apocalyptic number.

20426095839 is a deficient number, since it is larger than the sum of its proper divisors (6810202833).

20426095839 is a wasteful number, since it uses less digits than its factorization.

20426095839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376057.

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 20426095839 in words is "twenty billion, four hundred twenty-six million, ninety-five thousand, eight hundred thirty-nine".