20038031 has 8 divisors (see below), whose sum is σ = 21738864. Its totient is φ = 18360000.

The previous prime is 20038009. The next prime is 20038049. The reversal of 20038031 is 13083002.

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 20038031 - 2¹⁸ = 19775887 is a prime.

It is a super-2 number, since 2×20038031² = 803045372713922, which contains 22 as substring.

It is a Duffinian number.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3845 + ... + 7406.

It is an arithmetic number, because the mean of its divisors is an integer number (2717358).

Almost surely, 2^20038031 is an apocalyptic number.

20038031 is a deficient number, since it is larger than the sum of its proper divisors (1700833).

20038031 is a wasteful number, since it uses less digits than its factorization.

20038031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11401.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 20038031 is about 4476.3859306365. The cubic root of 20038031 is about 271.6137060792.

The spelling of 20038031 in words is "twenty million, thirty-eight thousand, thirty-one".