20232447 has 8 divisors (see below), whose sum is σ = 27006720. Its totient is φ = 13473240.

The previous prime is 20232437. The next prime is 20232467. The reversal of 20232447 is 74423202.

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

It is not a de Polignac number, because 20232447 - 2⁷ = 20232319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232427) 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, 129 + ... + 6362.

It is an arithmetic number, because the mean of its divisors is an integer number (3375840).

Almost surely, 2^20232447 is an apocalyptic number.

20232447 is a deficient number, since it is larger than the sum of its proper divisors (6774273).

20232447 is a wasteful number, since it uses less digits than its factorization.

20232447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7533.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 20232447 is about 4498.0492438389. The cubic root of 20232447 is about 272.4893108059.

Adding to 20232447 its reverse (74423202), we get a palindrome (94655649).

The spelling of 20232447 in words is "twenty million, two hundred thirty-two thousand, four hundred forty-seven".