20960330 has 16 divisors (see below), whose sum is σ = 39030120. Its totient is φ = 8094912.

The previous prime is 20960323. The next prime is 20960339. The reversal of 20960330 is 3306902.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20097289 + 863041 = 4483^2 + 929^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20960296 and 20960305.

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 7 ways as a sum of consecutive naturals, for example, 35849 + ... + 36428.

Almost surely, 2^20960330 is an apocalyptic number.

20960330 is a deficient number, since it is larger than the sum of its proper divisors (18069790).

20960330 is a wasteful number, since it uses less digits than its factorization.

20960330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72313.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 20960330 is about 4578.2452970543. The cubic root of 20960330 is about 275.7185834936.

The spelling of 20960330 in words is "twenty million, nine hundred sixty thousand, three hundred thirty".