20880258289 has 16 divisors (see below), whose sum is σ = 23597038080. Its totient is φ = 18304272000.

The previous prime is 20880258263. The next prime is 20880258479. The reversal of 20880258289 is 98285208802.

It is a cyclic number.

It is not a de Polignac number, because 20880258289 - 2⁵ = 20880258257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20880258239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13134 + ... + 204775.

It is an arithmetic number, because the mean of its divisors is an integer number (1474814880).

Almost surely, 2^20880258289 is an apocalyptic number.

It is an amenable number.

20880258289 is a deficient number, since it is larger than the sum of its proper divisors (2716779791).

20880258289 is a wasteful number, since it uses less digits than its factorization.

20880258289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218232.

The product of its (nonzero) digits is 1474560, while the sum is 52.

The spelling of 20880258289 in words is "twenty billion, eight hundred eighty million, two hundred fifty-eight thousand, two hundred eighty-nine".