20880295 has 8 divisors (see below), whose sum is σ = 25165296. Its totient is φ = 16631616.

The previous prime is 20880289. The next prime is 20880313. The reversal of 20880295 is 59208802.

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 20880295 - 2²¹ = 18783143 is a prime.

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 20880295.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7797 + ... + 10126.

It is an arithmetic number, because the mean of its divisors is an integer number (3145662).

Almost surely, 2^20880295 is an apocalyptic number.

20880295 is a deficient number, since it is larger than the sum of its proper divisors (4285001).

20880295 is a wasteful number, since it uses less digits than its factorization.

20880295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18161.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 20880295 is about 4569.4961429024. The cubic root of 20880295 is about 275.3672009272.

The spelling of 20880295 in words is "twenty million, eight hundred eighty thousand, two hundred ninety-five".