201930774 has 16 divisors (see below), whose sum is σ = 407436912. Its totient is φ = 66714368.

The previous prime is 201930769. The next prime is 201930797. The reversal of 201930774 is 477039102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148239 + ... + 149594.

It is an arithmetic number, because the mean of its divisors is an integer number (25464807).

Almost surely, 2^201930774 is an apocalyptic number.

201930774 is an abundant number, since it is smaller than the sum of its proper divisors (205506138).

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

201930774 is a wasteful number, since it uses less digits than its factorization.

201930774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297951.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 201930774 is about 14210.2348326831. The cubic root of 201930774 is about 586.6793966045.

Adding to 201930774 its reverse (477039102), we get a palindrome (678969876).

The spelling of 201930774 in words is "two hundred one million, nine hundred thirty thousand, seven hundred seventy-four".