20880663203 has 4 divisors (see below), whose sum is σ = 20974298688. Its totient is φ = 20787027720.

The previous prime is 20880663197. The next prime is 20880663239. The reversal of 20880663203 is 30236608802.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20880663203 - 2²⁸ = 20612227747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20880663103) 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 3 ways as a sum of consecutive naturals, for example, 46817408 + ... + 46817853.

It is an arithmetic number, because the mean of its divisors is an integer number (5243574672).

Almost surely, 2^20880663203 is an apocalyptic number.

20880663203 is a deficient number, since it is larger than the sum of its proper divisors (93635485).

20880663203 is an equidigital number, since it uses as much as digits as its factorization.

20880663203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93635484.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 20880663203 in words is "twenty billion, eight hundred eighty million, six hundred sixty-three thousand, two hundred three".