201933190 has 32 divisors (see below), whose sum is σ = 369847296. Its totient is φ = 79369440.

The previous prime is 201933187. The next prime is 201933209. The reversal of 201933190 is 91339102.

201933190 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201933190² = 81554026447152200, which contains 22 as substring.

It is a congruent number.

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, 184545 + ... + 185635.

It is an arithmetic number, because the mean of its divisors is an integer number (11557728).

Almost surely, 2^201933190 is an apocalyptic number.

201933190 is a deficient number, since it is larger than the sum of its proper divisors (167914106).

201933190 is a wasteful number, since it uses less digits than its factorization.

201933190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 201933190 is about 14210.3198415799. The cubic root of 201933190 is about 586.6817363697.

The spelling of 201933190 in words is "two hundred one million, nine hundred thirty-three thousand, one hundred ninety".