20124315 has 16 divisors (see below), whose sum is σ = 35776800. Its totient is φ = 10732896.

The previous prime is 20124271. The next prime is 20124323. The reversal of 20124315 is 51342102.

It is not a de Polignac number, because 20124315 - 2¹⁴ = 20107931 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74400 + ... + 74669.

It is an arithmetic number, because the mean of its divisors is an integer number (2236050).

Almost surely, 2^20124315 is an apocalyptic number.

20124315 is a deficient number, since it is larger than the sum of its proper divisors (15652485).

20124315 is a wasteful number, since it uses less digits than its factorization.

20124315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149083 (or 149077 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 20124315 is about 4486.0132634668. The cubic root of 20124315 is about 272.0030051211.

Adding to 20124315 its reverse (51342102), we get a palindrome (71466417).

The spelling of 20124315 in words is "twenty million, one hundred twenty-four thousand, three hundred fifteen".