20038071 has 8 divisors (see below), whose sum is σ = 26872560. Its totient is φ = 13281152.

The previous prime is 20038069. The next prime is 20038091. The reversal of 20038071 is 17083002.

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

It is a cyclic number.

It is not a de Polignac number, because 20038071 - 2¹ = 20038069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20038061) 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 7 ways as a sum of consecutive naturals, for example, 18786 + ... + 19823.

It is an arithmetic number, because the mean of its divisors is an integer number (3359070).

Almost surely, 2^20038071 is an apocalyptic number.

20038071 is a deficient number, since it is larger than the sum of its proper divisors (6834489).

20038071 is a wasteful number, since it uses less digits than its factorization.

20038071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38785.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 20038071 is about 4476.3903985242. The cubic root of 20038071 is about 271.6138868112.

The spelling of 20038071 in words is "twenty million, thirty-eight thousand, seventy-one".