201042020404 has 12 divisors (see below), whose sum is σ = 358461716004. Its totient is φ = 98624387264.

The previous prime is 201042020381. The next prime is 201042020471. The reversal of 201042020404 is 404020240102.

It can be written as a sum of positive squares in 2 ways, for example, as 87883788304 + 113158232100 = 296452^2 + 336390^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474155497 + ... + 474155920.

It is an arithmetic number, because the mean of its divisors is an integer number (29871809667).

Almost surely, 2^201042020404 is an apocalyptic number.

It is an amenable number.

201042020404 is a deficient number, since it is larger than the sum of its proper divisors (157419695600).

201042020404 is a wasteful number, since it uses less digits than its factorization.

201042020404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948311474 (or 948311472 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 201042020404 its reverse (404020240102), we get a palindrome (605062260506).

The spelling of 201042020404 in words is "two hundred one billion, forty-two million, twenty thousand, four hundred four".