20159068 has 6 divisors (see below), whose sum is σ = 35278376. Its totient is φ = 10079532.

The previous prime is 20159047. The next prime is 20159107. The reversal of 20159068 is 86095102.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2519880 + ... + 2519887.

Almost surely, 2^20159068 is an apocalyptic number.

It is an amenable number.

20159068 is a deficient number, since it is larger than the sum of its proper divisors (15119308).

20159068 is a wasteful number, since it uses less digits than its factorization.

20159068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5039771 (or 5039769 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 20159068 is about 4489.8850764802. The cubic root of 20159068 is about 272.1594905167.

The spelling of 20159068 in words is "twenty million, one hundred fifty-nine thousand, sixty-eight".