20962893 has 32 divisors (see below), whose sum is σ = 33214464. Its totient is φ = 11512512.

The previous prime is 20962891. The next prime is 20962897. The reversal of 20962893 is 39826902.

It is not a de Polignac number, because 20962893 - 2¹ = 20962891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20962891) 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 in 31 ways as a sum of consecutive naturals, for example, 65971 + ... + 66287.

It is an arithmetic number, because the mean of its divisors is an integer number (1037952).

Almost surely, 2^20962893 is an apocalyptic number.

It is an amenable number.

20962893 is a deficient number, since it is larger than the sum of its proper divisors (12251571).

20962893 is a wasteful number, since it uses less digits than its factorization.

20962893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 20962893 is about 4578.5251992317. The cubic root of 20962893 is about 275.7298211972.

The spelling of 20962893 in words is "twenty million, nine hundred sixty-two thousand, eight hundred ninety-three".