20980303 has 8 divisors (see below), whose sum is σ = 21217680. Its totient is φ = 20744640.

The previous prime is 20980277. The next prime is 20980307. The reversal of 20980303 is 30308902.

It is a happy number.

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 20980303 - 2¹³ = 20972111 is a prime.

It is a super-2 number, since 2×20980303² = 880346227943618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20980307) 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, 55168 + ... + 55546.

It is an arithmetic number, because the mean of its divisors is an integer number (2652210).

Almost surely, 2^20980303 is an apocalyptic number.

20980303 is a deficient number, since it is larger than the sum of its proper divisors (237377).

20980303 is a wasteful number, since it uses less digits than its factorization.

20980303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 20980303 is about 4580.4260718846. The cubic root of 20980303 is about 275.8061326721.

The spelling of 20980303 in words is "twenty million, nine hundred eighty thousand, three hundred three".