20880363 has 8 divisors (see below), whose sum is σ = 31817728. Its totient is φ = 11931624.

The previous prime is 20880347. The next prime is 20880371. The reversal of 20880363 is 36308802.

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

It is not a de Polignac number, because 20880363 - 2⁴ = 20880347 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 20880363.

It is not an unprimeable number, because it can be changed into a prime (20880313) 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, 497131 + ... + 497172.

It is an arithmetic number, because the mean of its divisors is an integer number (3977216).

Almost surely, 2^20880363 is an apocalyptic number.

20880363 is a deficient number, since it is larger than the sum of its proper divisors (10937365).

20880363 is an equidigital number, since it uses as much as digits as its factorization.

20880363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994313.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 20880363 is about 4569.5035835417. The cubic root of 20880363 is about 275.3674998526.

The spelling of 20880363 in words is "twenty million, eight hundred eighty thousand, three hundred sixty-three".