20990114 has 8 divisors (see below), whose sum is σ = 32253228. Its totient is φ = 10239040.

The previous prime is 20990111. The next prime is 20990143. The reversal of 20990114 is 41109902.

It can be written as a sum of positive squares in 2 ways, for example, as 13564489 + 7425625 = 3683^2 + 2725^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20990111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127907 + ... + 128070.

Almost surely, 2^20990114 is an apocalyptic number.

20990114 is a deficient number, since it is larger than the sum of its proper divisors (11263114).

20990114 is a wasteful number, since it uses less digits than its factorization.

20990114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256020.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 20990114 is about 4581.4969169476. The cubic root of 20990114 is about 275.8491176294.

The spelling of 20990114 in words is "twenty million, nine hundred ninety thousand, one hundred fourteen".