20242115 has 8 divisors (see below), whose sum is σ = 24345360. Its totient is φ = 16157152.

The previous prime is 20242111. The next prime is 20242127. The reversal of 20242115 is 51124202.

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

It is a cyclic number.

It is not a de Polignac number, because 20242115 - 2² = 20242111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20242093 and 20242102.

It is not an unprimeable number, because it can be changed into a prime (20242111) 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, 2000 + ... + 6669.

It is an arithmetic number, because the mean of its divisors is an integer number (3043170).

Almost surely, 2^20242115 is an apocalyptic number.

20242115 is a deficient number, since it is larger than the sum of its proper divisors (4103245).

20242115 is an equidigital number, since it uses as much as digits as its factorization.

20242115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9141.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 20242115 is about 4499.1238035866. The cubic root of 20242115 is about 272.5327065644.

Adding to 20242115 its reverse (51124202), we get a palindrome (71366317).

The spelling of 20242115 in words is "twenty million, two hundred forty-two thousand, one hundred fifteen".