20960338 has 12 divisors (see below), whose sum is σ = 36573822. Its totient is φ = 8982960.

The previous prime is 20960323. The next prime is 20960339. The reversal of 20960338 is 83306902.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20638849 + 321489 = 4543^2 + 567^2 .

It is not an unprimeable number, because it can be changed into a prime (20960339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106843 + ... + 107038.

Almost surely, 2^20960338 is an apocalyptic number.

20960338 is a deficient number, since it is larger than the sum of its proper divisors (15613484).

20960338 is a wasteful number, since it uses less digits than its factorization.

20960338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213897 (or 213890 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 20960338 is about 4578.2461707514. The cubic root of 20960338 is about 275.7186185717.

The spelling of 20960338 in words is "twenty million, nine hundred sixty thousand, three hundred thirty-eight".