20190936 has 16 divisors (see below), whose sum is σ = 50477400. Its totient is φ = 6730304.

The previous prime is 20190913. The next prime is 20190943. The reversal of 20190936 is 63909102.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 420621 + ... + 420668.

Almost surely, 2^20190936 is an apocalyptic number.

It is an amenable number.

20190936 is an abundant number, since it is smaller than the sum of its proper divisors (30286464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20190936 is a wasteful number, since it uses less digits than its factorization.

20190936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841298 (or 841294 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 20190936 is about 4493.4325409424. The cubic root of 20190936 is about 272.3028273745.

The spelling of 20190936 in words is "twenty million, one hundred ninety thousand, nine hundred thirty-six".