20199411 has 12 divisors (see below), whose sum is σ = 29216200. Its totient is φ = 13448160.

The previous prime is 20199409. The next prime is 20199427. The reversal of 20199411 is 11499102.

It is not a de Polignac number, because 20199411 - 2¹ = 20199409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20199481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11040 + ... + 12738.

Almost surely, 2^20199411 is an apocalyptic number.

20199411 is a deficient number, since it is larger than the sum of its proper divisors (9016789).

20199411 is a wasteful number, since it uses less digits than its factorization.

20199411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026 (or 3023 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 20199411 is about 4494.3754849812. The cubic root of 20199411 is about 272.3409210955.

The spelling of 20199411 in words is "twenty million, one hundred ninety-nine thousand, four hundred eleven".