20196415 has 8 divisors (see below), whose sum is σ = 25289568. Its totient is φ = 15454560.

The previous prime is 20196409. The next prime is 20196427. The reversal of 20196415 is 51469102.

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

It is not a de Polignac number, because 20196415 - 2¹⁷ = 20065343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87696 + ... + 87925.

It is an arithmetic number, because the mean of its divisors is an integer number (3161196).

Almost surely, 2^20196415 is an apocalyptic number.

20196415 is a deficient number, since it is larger than the sum of its proper divisors (5093153).

20196415 is a wasteful number, since it uses less digits than its factorization.

20196415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175649.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 20196415 is about 4494.0421671364. The cubic root of 20196415 is about 272.3274557896.

The spelling of 20196415 in words is "twenty million, one hundred ninety-six thousand, four hundred fifteen".