20068071 has 8 divisors (see below), whose sum is σ = 26922240. Its totient is φ = 13296312.

The previous prime is 20068063. The next prime is 20068073. The reversal of 20068071 is 17086002.

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

It is not a de Polignac number, because 20068071 - 2³ = 20068063 is a prime.

It is a super-2 number, since 2×20068071² = 805454947322082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20068073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20031 + ... + 21008.

It is an arithmetic number, because the mean of its divisors is an integer number (3365280).

Almost surely, 2^20068071 is an apocalyptic number.

20068071 is a deficient number, since it is larger than the sum of its proper divisors (6854169).

20068071 is a wasteful number, since it uses less digits than its factorization.

20068071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41205.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 20068071 is about 4479.7400594231. The cubic root of 20068071 is about 271.7493681409.

The spelling of 20068071 in words is "twenty million, sixty-eight thousand, seventy-one".