2021050242 has 24 divisors (see below), whose sum is σ = 4384637244. Its totient is φ = 672807264.

The previous prime is 2021050237. The next prime is 2021050247. The reversal of 2021050242 is 2420501202.

2021050242 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2021050237) and next prime (2021050247).

It can be written as a sum of positive squares in 2 ways, for example, as 1772325801 + 248724441 = 42099^2 + 15771^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2021050247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58713 + ... + 86540.

Almost surely, 2^2021050242 is an apocalyptic number.

2021050242 is an abundant number, since it is smaller than the sum of its proper divisors (2363587002).

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

2021050242 is a wasteful number, since it uses less digits than its factorization.

2021050242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146034 (or 146031 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2021050242 is about 44956.0923791203. The cubic root of 2021050242 is about 1264.3259058043.

Adding to 2021050242 its reverse (2420501202), we get a palindrome (4441551444).

The spelling of 2021050242 in words is "two billion, twenty-one million, fifty thousand, two hundred forty-two".