20214371 has 4 divisors (see below), whose sum is σ = 20644512. Its totient is φ = 19784232.

The previous prime is 20214329. The next prime is 20214373. The reversal of 20214371 is 17341202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20214371 - 2¹⁴ = 20197987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20214373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215000 + ... + 215093.

It is an arithmetic number, because the mean of its divisors is an integer number (5161128).

Almost surely, 2^20214371 is an apocalyptic number.

20214371 is a deficient number, since it is larger than the sum of its proper divisors (430141).

20214371 is an equidigital number, since it uses as much as digits as its factorization.

20214371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430140.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 20214371 is about 4496.0394793640. The cubic root of 20214371 is about 272.4081378208.

Adding to 20214371 its reverse (17341202), we get a palindrome (37555573).

The spelling of 20214371 in words is "twenty million, two hundred fourteen thousand, three hundred seventy-one".