20499214 has 16 divisors (see below), whose sum is σ = 32457600. Its totient is φ = 9683064.

The previous prime is 20499211. The next prime is 20499239. The reversal of 20499214 is 41299402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20499211) 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, 21847 + ... + 22765.

It is an arithmetic number, because the mean of its divisors is an integer number (2028600).

Almost surely, 2^20499214 is an apocalyptic number.

20499214 is a deficient number, since it is larger than the sum of its proper divisors (11958386).

20499214 is a wasteful number, since it uses less digits than its factorization.

20499214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 20499214 is about 4527.6057690572. The cubic root of 20499214 is about 273.6816858651.

The spelling of 20499214 in words is "twenty million, four hundred ninety-nine thousand, two hundred fourteen".