20068994 has 8 divisors (see below), whose sum is σ = 32840208. Its totient is φ = 9122260.

The previous prime is 20068991. The next prime is 20068999. The reversal of 20068994 is 49986002.

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 (20068991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456092 + ... + 456135.

It is an arithmetic number, because the mean of its divisors is an integer number (4105026).

Almost surely, 2^20068994 is an apocalyptic number.

20068994 is a deficient number, since it is larger than the sum of its proper divisors (12771214).

20068994 is a wasteful number, since it uses less digits than its factorization.

20068994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912240.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 20068994 is about 4479.8430776089. The cubic root of 20068994 is about 271.7535343082.

The spelling of 20068994 in words is "twenty million, sixty-eight thousand, nine hundred ninety-four".