20196115 has 8 divisors (see below), whose sum is σ = 24262560. Its totient is φ = 16138752.

The previous prime is 20196109. The next prime is 20196173. The reversal of 20196115 is 51169102.

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 20196115 - 2⁵ = 20196083 is a prime.

It is a super-2 number, since 2×20196115² = 815766122186450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20196115.

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, 4426 + ... + 7744.

It is an arithmetic number, because the mean of its divisors is an integer number (3032820).

Almost surely, 2^20196115 is an apocalyptic number.

20196115 is a deficient number, since it is larger than the sum of its proper divisors (4066445).

20196115 is a wasteful number, since it uses less digits than its factorization.

20196115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4541.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 20196115 is about 4494.0087894885. The cubic root of 20196115 is about 272.3261073879.

The spelling of 20196115 in words is "twenty million, one hundred ninety-six thousand, one hundred fifteen".