20190235 has 16 divisors (see below), whose sum is σ = 26994240. Its totient is φ = 14394240.

The previous prime is 20190227. The next prime is 20190241. The reversal of 20190235 is 53209102.

It is not a de Polignac number, because 20190235 - 2³ = 20190227 is a prime.

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, 3471 + ... + 7240.

It is an arithmetic number, because the mean of its divisors is an integer number (1687140).

Almost surely, 2^20190235 is an apocalyptic number.

20190235 is a deficient number, since it is larger than the sum of its proper divisors (6804005).

20190235 is a wasteful number, since it uses less digits than its factorization.

20190235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10758.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 20190235 is about 4493.3545375365. The cubic root of 20190235 is about 272.2996760183.

Adding to 20190235 its reverse (53209102), we get a palindrome (73399337).

The spelling of 20190235 in words is "twenty million, one hundred ninety thousand, two hundred thirty-five".