20794966 has 4 divisors (see below), whose sum is σ = 31192452. Its totient is φ = 10397482.

The previous prime is 20794951. The next prime is 20794981. The reversal of 20794966 is 66949702.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20794951) and next prime (20794981).

It is a super-2 number, since 2×20794966² = 864861221882312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5198740 + ... + 5198743.

It is an arithmetic number, because the mean of its divisors is an integer number (7798113).

Almost surely, 2^20794966 is an apocalyptic number.

20794966 is a deficient number, since it is larger than the sum of its proper divisors (10397486).

20794966 is a wasteful number, since it uses less digits than its factorization.

20794966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10397485.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 20794966 is about 4560.1497782419. The cubic root of 20794966 is about 274.9915854175.

The spelling of 20794966 in words is "twenty million, seven hundred ninety-four thousand, nine hundred sixty-six".