20960394 has 48 divisors (see below), whose sum is σ = 51895872. Its totient is φ = 5526144.

The previous prime is 20960377. The next prime is 20960413. The reversal of 20960394 is 49306902.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5622 + ... + 8574.

It is an arithmetic number, because the mean of its divisors is an integer number (1081164).

Almost surely, 2^20960394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20960394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25947936).

20960394 is an abundant number, since it is smaller than the sum of its proper divisors (30935478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20960394 is a wasteful number, since it uses less digits than its factorization.

20960394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991 (or 2978 counting only the distinct ones).

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

The square root of 20960394 is about 4578.2522866264. The cubic root of 20960394 is about 275.7188641185.

The spelling of 20960394 in words is "twenty million, nine hundred sixty thousand, three hundred ninety-four".