20266880259 has 8 divisors (see below), whose sum is σ = 28612066320. Its totient is φ = 12716473856.

The previous prime is 20266880243. The next prime is 20266880267. The reversal of 20266880259 is 95208866202.

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 20266880259 - 2⁴ = 20266880243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20266880219) 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, 198694854 + ... + 198694955.

It is an arithmetic number, because the mean of its divisors is an integer number (3576508290).

Almost surely, 2^20266880259 is an apocalyptic number.

20266880259 is a deficient number, since it is larger than the sum of its proper divisors (8345186061).

20266880259 is a wasteful number, since it uses less digits than its factorization.

20266880259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397389829.

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 20266880259 in words is "twenty billion, two hundred sixty-six million, eight hundred eighty thousand, two hundred fifty-nine".