20849322 has 16 divisors (see below), whose sum is σ = 44906400. Its totient is φ = 6415152.

The previous prime is 20849321. The next prime is 20849399. The reversal of 20849322 is 22394802.

It is a self number, because there is not a number n which added to its sum of digits gives 20849322.

It is not an unprimeable number, because it can be changed into a prime (20849321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133572 + ... + 133727.

It is an arithmetic number, because the mean of its divisors is an integer number (2806650).

Almost surely, 2^20849322 is an apocalyptic number.

20849322 is an abundant number, since it is smaller than the sum of its proper divisors (24057078).

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

20849322 is a wasteful number, since it uses less digits than its factorization.

20849322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267317.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 20849322 is about 4566.1057806407. The cubic root of 20849322 is about 275.2309772937.

The spelling of 20849322 in words is "twenty million, eight hundred forty-nine thousand, three hundred twenty-two".