20140371 has 12 divisors (see below), whose sum is σ = 29641248. Its totient is φ = 13173264.

The previous prime is 20140363. The next prime is 20140411. The reversal of 20140371 is 17304102.

It is not a de Polignac number, because 20140371 - 2³ = 20140363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20140301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20635 + ... + 21588.

It is an arithmetic number, because the mean of its divisors is an integer number (2470104).

Almost surely, 2^20140371 is an apocalyptic number.

20140371 is a deficient number, since it is larger than the sum of its proper divisors (9500877).

20140371 is a wasteful number, since it uses less digits than its factorization.

20140371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42282 (or 42279 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 20140371 is about 4487.8024689150. The cubic root of 20140371 is about 272.0753242584.

Adding to 20140371 its reverse (17304102), we get a palindrome (37444473).

The spelling of 20140371 in words is "twenty million, one hundred forty thousand, three hundred seventy-one".