20232715 has 4 divisors (see below), whose sum is σ = 24279264. Its totient is φ = 16186168.

The previous prime is 20232713. The next prime is 20232731. The reversal of 20232715 is 51723202.

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 20232715 - 2¹ = 20232713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20232713) 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, 2023267 + ... + 2023276.

It is an arithmetic number, because the mean of its divisors is an integer number (6069816).

Almost surely, 2^20232715 is an apocalyptic number.

20232715 is a deficient number, since it is larger than the sum of its proper divisors (4046549).

20232715 is an equidigital number, since it uses as much as digits as its factorization.

20232715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046548.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 20232715 is about 4498.0790344324. The cubic root of 20232715 is about 272.4905139363.

Adding to 20232715 its reverse (51723202), we get a palindrome (71955917).

It can be divided in two parts, 202 and 32715, that multiplied together give a triangular number (6608430 = T₃₆₃₅).

The spelling of 20232715 in words is "twenty million, two hundred thirty-two thousand, seven hundred fifteen".