20614994 has 8 divisors (see below), whose sum is σ = 31758348. Its totient is φ = 10028880.

The previous prime is 20614991. The next prime is 20615041. The reversal of 20614994 is 49941602.

It can be written as a sum of positive squares in 2 ways, for example, as 20584369 + 30625 = 4537^2 + 175^2 .

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 (20614991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139217 + ... + 139364.

Almost surely, 2^20614994 is an apocalyptic number.

20614994 is a deficient number, since it is larger than the sum of its proper divisors (11143354).

20614994 is a wasteful number, since it uses less digits than its factorization.

20614994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278620.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 20614994 is about 4540.3737731601. The cubic root of 20614994 is about 274.1959721859.

The spelling of 20614994 in words is "twenty million, six hundred fourteen thousand, nine hundred ninety-four".