20952794 has 4 divisors (see below), whose sum is σ = 31429194. Its totient is φ = 10476396.

The previous prime is 20952791. The next prime is 20952797. The reversal of 20952794 is 49725902.

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 (20952791) and next prime (20952797).

It can be written as a sum of positive squares in only one way, i.e., 20839225 + 113569 = 4565^2 + 337^2 .

It is not an unprimeable number, because it can be changed into a prime (20952791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5238197 + ... + 5238200.

Almost surely, 2^20952794 is an apocalyptic number.

20952794 is a deficient number, since it is larger than the sum of its proper divisors (10476400).

20952794 is a wasteful number, since it uses less digits than its factorization.

20952794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10476399.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 20952794 is about 4577.4222003219. The cubic root of 20952794 is about 275.6855359173.

The spelling of 20952794 in words is "twenty million, nine hundred fifty-two thousand, seven hundred ninety-four".