20849262 has 32 divisors (see below), whose sum is σ = 47791104. Its totient is φ = 5940000.

The previous prime is 20849237. The next prime is 20849263. The reversal of 20849262 is 26294802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20849263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27387 + ... + 28137.

It is an arithmetic number, because the mean of its divisors is an integer number (1493472).

Almost surely, 2^20849262 is an apocalyptic number.

20849262 is an abundant number, since it is smaller than the sum of its proper divisors (26941842).

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

20849262 is a wasteful number, since it uses less digits than its factorization.

20849262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 20849262 is about 4566.0992104859. The cubic root of 20849262 is about 275.2307132743.

The spelling of 20849262 in words is "twenty million, eight hundred forty-nine thousand, two hundred sixty-two".