2020442 has 8 divisors (see below), whose sum is σ = 3080532. Its totient is φ = 993600.

The previous prime is 2020429. The next prime is 2020457. The reversal of 2020442 is 2440202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1394761 + 625681 = 1181^2 + 791^2 .

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

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, 8159 + ... + 8402.

2^2020442 is an apocalyptic number.

2020442 is a deficient number, since it is larger than the sum of its proper divisors (1060090).

2020442 is a wasteful number, since it uses less digits than its factorization.

2020442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16624.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2020442 is about 1421.4225269075. The cubic root of 2020442 is about 126.4199058673.

Adding to 2020442 its reverse (2440202), we get a palindrome (4460644).

The spelling of 2020442 in words is "two million, twenty thousand, four hundred forty-two".