20232671 has 4 divisors (see below), whose sum is σ = 20244744. Its totient is φ = 20220600.

The previous prime is 20232659. The next prime is 20232683. The reversal of 20232671 is 17623202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17623202 = 2 ⋅8811601.

It is an interprime number because it is at equal distance from previous prime (20232659) and next prime (20232683).

It is a cyclic number.

It is not a de Polignac number, because 20232671 - 2¹⁸ = 19970527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232071) 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, 3020 + ... + 7041.

It is an arithmetic number, because the mean of its divisors is an integer number (5061186).

Almost surely, 2^20232671 is an apocalyptic number.

20232671 is a deficient number, since it is larger than the sum of its proper divisors (12073).

20232671 is a wasteful number, since it uses less digits than its factorization.

20232671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12072.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 20232671 is about 4498.0741434530. The cubic root of 20232671 is about 272.4903164081.

Adding to 20232671 its reverse (17623202), we get a palindrome (37855873).

The spelling of 20232671 in words is "twenty million, two hundred thirty-two thousand, six hundred seventy-one".