20958294 has 32 divisors (see below), whose sum is σ = 49453056. Its totient is φ = 5794560.

The previous prime is 20958283. The next prime is 20958307. The reversal of 20958294 is 49285902.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6747 + ... + 9350.

It is an arithmetic number, because the mean of its divisors is an integer number (1545408).

Almost surely, 2^20958294 is an apocalyptic number.

20958294 is an abundant number, since it is smaller than the sum of its proper divisors (28494762).

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

20958294 is a wasteful number, since it uses less digits than its factorization.

20958294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16140.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 20958294 is about 4578.0229357224. The cubic root of 20958294 is about 275.7096558159.

The spelling of 20958294 in words is "twenty million, nine hundred fifty-eight thousand, two hundred ninety-four".