20799514 has 4 divisors (see below), whose sum is σ = 31199274. Its totient is φ = 10399756.

The previous prime is 20799503. The next prime is 20799563. The reversal of 20799514 is 41599702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20566225 + 233289 = 4535^2 + 483^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5199877 + ... + 5199880.

Almost surely, 2^20799514 is an apocalyptic number.

20799514 is a deficient number, since it is larger than the sum of its proper divisors (10399760).

20799514 is a wasteful number, since it uses less digits than its factorization.

20799514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10399759.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 20799514 is about 4560.6484188106. The cubic root of 20799514 is about 275.0116314639.

The spelling of 20799514 in words is "twenty million, seven hundred ninety-nine thousand, five hundred fourteen".