20255366339 has 8 divisors (see below), whose sum is σ = 21818573280. Its totient is φ = 18692888256.

The previous prime is 20255366291. The next prime is 20255366353. The reversal of 20255366339 is 93366355202.

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 20255366339 - 2⁸ = 20255366083 is a prime.

It is a super-3 number, since 3×20255366339³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20255366339.

It is not an unprimeable number, because it can be changed into a prime (20255368339) 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 7 ways as a sum of consecutive naturals, for example, 123794 + ... + 236295.

It is an arithmetic number, because the mean of its divisors is an integer number (2727321660).

Almost surely, 2^20255366339 is an apocalyptic number.

20255366339 is a deficient number, since it is larger than the sum of its proper divisors (1563206941).

20255366339 is a wasteful number, since it uses less digits than its factorization.

20255366339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364429.

The product of its (nonzero) digits is 874800, while the sum is 44.

The spelling of 20255366339 in words is "twenty billion, two hundred fifty-five million, three hundred sixty-six thousand, three hundred thirty-nine".