20142115 has 8 divisors (see below), whose sum is σ = 27623520. Its totient is φ = 13811712.

The previous prime is 20142091. The next prime is 20142131. The reversal of 20142115 is 51124102.

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 20142115 - 2¹¹ = 20140067 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287710 + ... + 287779.

It is an arithmetic number, because the mean of its divisors is an integer number (3452940).

Almost surely, 2^20142115 is an apocalyptic number.

20142115 is a deficient number, since it is larger than the sum of its proper divisors (7481405).

20142115 is an equidigital number, since it uses as much as digits as its factorization.

20142115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575501.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 20142115 is about 4487.9967691610. The cubic root of 20142115 is about 272.0831772364.

Adding to 20142115 its reverse (51124102), we get a palindrome (71266217).

The spelling of 20142115 in words is "twenty million, one hundred forty-two thousand, one hundred fifteen".