20960349 has 4 divisors (see below), whose sum is σ = 27947136. Its totient is φ = 13973564.

The previous prime is 20960339. The next prime is 20960353. The reversal of 20960349 is 94306902.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20960349 - 2¹⁵ = 20927581 is a prime.

It is a Curzon number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3493389 + ... + 3493394.

It is an arithmetic number, because the mean of its divisors is an integer number (6986784).

Almost surely, 2^20960349 is an apocalyptic number.

It is an amenable number.

20960349 is a deficient number, since it is larger than the sum of its proper divisors (6986787).

20960349 is an equidigital number, since it uses as much as digits as its factorization.

20960349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6986786.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 20960349 is about 4578.2473720846. The cubic root of 20960349 is about 275.7186668042.

The spelling of 20960349 in words is "twenty million, nine hundred sixty thousand, three hundred forty-nine".