20232615 has 32 divisors (see below), whose sum is σ = 35997696. Its totient is φ = 9636480.

The previous prime is 20232613. The next prime is 20232629. The reversal of 20232615 is 51623202.

It is not a de Polignac number, because 20232615 - 2¹ = 20232613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20232591 and 20232600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4372 + ... + 7718.

It is an arithmetic number, because the mean of its divisors is an integer number (1124928).

Almost surely, 2^20232615 is an apocalyptic number.

20232615 is a deficient number, since it is larger than the sum of its proper divisors (15765081).

20232615 is a wasteful number, since it uses less digits than its factorization.

20232615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 20232615 is about 4498.0679185624. The cubic root of 20232615 is about 272.4900650083.

Adding to 20232615 its reverse (51623202), we get a palindrome (71855817).

The spelling of 20232615 in words is "twenty million, two hundred thirty-two thousand, six hundred fifteen".