20849296 has 20 divisors (see below), whose sum is σ = 43503292. Its totient is φ = 9622656.

The previous prime is 20849273. The next prime is 20849317. The reversal of 20849296 is 69294802.

It can be written as a sum of positive squares in 2 ways, for example, as 2359296 + 18490000 = 1536^2 + 4300^2 .

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, 49911 + ... + 50326.

Almost surely, 2^20849296 is an apocalyptic number.

20849296 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20849296 is an abundant number, since it is smaller than the sum of its proper divisors (22653996).

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

20849296 is a wasteful number, since it uses less digits than its factorization.

20849296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100258 (or 100252 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 20849296 is about 4566.1029335748. The cubic root of 20849296 is about 275.2308628854.

The spelling of 20849296 in words is "twenty million, eight hundred forty-nine thousand, two hundred ninety-six".