20952394 has 8 divisors (see below), whose sum is σ = 32195268. Its totient is φ = 10220640.

The previous prime is 20952377. The next prime is 20952401. The reversal of 20952394 is 49325902.

It can be written as a sum of positive squares in 2 ways, for example, as 20367169 + 585225 = 4513^2 + 765^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127677 + ... + 127840.

Almost surely, 2^20952394 is an apocalyptic number.

20952394 is a deficient number, since it is larger than the sum of its proper divisors (11242874).

20952394 is a wasteful number, since it uses less digits than its factorization.

20952394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255560.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 20952394 is about 4577.3785073992. The cubic root of 20952394 is about 275.6837815782.

It can be divided in two parts, 2095 and 2394, that added together give a square (4489 = 67²).

The spelling of 20952394 in words is "twenty million, nine hundred fifty-two thousand, three hundred ninety-four".