20980063 has 8 divisors (see below), whose sum is σ = 22698368. Its totient is φ = 19276704.

The previous prime is 20980061. The next prime is 20980081. The reversal of 20980063 is 36008902.

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 20980063 - 2¹ = 20980061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20980061) 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, 720 + ... + 6517.

It is an arithmetic number, because the mean of its divisors is an integer number (2837296).

Almost surely, 2^20980063 is an apocalyptic number.

20980063 is a deficient number, since it is larger than the sum of its proper divisors (1718305).

20980063 is a wasteful number, since it uses less digits than its factorization.

20980063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7473.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 20980063 is about 4580.3998733735. The cubic root of 20980063 is about 275.8050809916.

Adding to 20980063 its reverse (36008902), we get a palindrome (56988965).

The spelling of 20980063 in words is "twenty million, nine hundred eighty thousand, sixty-three".