201420242 has 8 divisors (see below), whose sum is σ = 302250636. Its totient is φ = 100670032.

The previous prime is 201420187. The next prime is 201420253. The reversal of 201420242 is 242024102.

It is a happy number.

201420242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 196308121 + 5112121 = 14011^2 + 2261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×201420242² = 81140227774677128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201420242.

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, 13313 + ... + 24084.

Almost surely, 2^201420242 is an apocalyptic number.

201420242 is a deficient number, since it is larger than the sum of its proper divisors (100830394).

201420242 is a wasteful number, since it uses less digits than its factorization.

201420242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40092.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 201420242 is about 14192.2599327944. The cubic root of 201420242 is about 586.1845547758.

Adding to 201420242 its reverse (242024102), we get a palindrome (443444344).

The spelling of 201420242 in words is "two hundred one million, four hundred twenty thousand, two hundred forty-two".