20880803 has 8 divisors (see below), whose sum is σ = 21991200. Its totient is φ = 19787328.

The previous prime is 20880799. The next prime is 20880809. The reversal of 20880803 is 30808802.

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 20880803 - 2² = 20880799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20880809) 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, 1658 + ... + 6671.

It is an arithmetic number, because the mean of its divisors is an integer number (2748900).

Almost surely, 2^20880803 is an apocalyptic number.

20880803 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20880803 is a deficient number, since it is larger than the sum of its proper divisors (1110397).

20880803 is a wasteful number, since it uses less digits than its factorization.

20880803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8461.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 20880803 is about 4569.5517285616. The cubic root of 20880803 is about 275.3694340598.

The spelling of 20880803 in words is "twenty million, eight hundred eighty thousand, eight hundred three".