20860115 has 16 divisors (see below), whose sum is σ = 25783968. Its totient is φ = 16194816.

The previous prime is 20860097. The next prime is 20860163. The reversal of 20860115 is 51106802.

It is a cyclic number.

It is not a de Polignac number, because 20860115 - 2¹⁴ = 20843731 is a prime.

It is a Duffinian number.

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, 24029 + ... + 24881.

It is an arithmetic number, because the mean of its divisors is an integer number (1611498).

Almost surely, 2^20860115 is an apocalyptic number.

20860115 is a deficient number, since it is larger than the sum of its proper divisors (4923853).

20860115 is an equidigital number, since it uses as much as digits as its factorization.

20860115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 20860115 is about 4567.2874882144. The cubic root of 20860115 is about 275.2784617394.

Adding to 20860115 its reverse (51106802), we get a palindrome (71966917).

The spelling of 20860115 in words is "twenty million, eight hundred sixty thousand, one hundred fifteen".