202020442 has 8 divisors (see below), whose sum is σ = 326340756. Its totient is φ = 93240192.

The previous prime is 202020437. The next prime is 202020449. The reversal of 202020442 is 244020202.

202020442 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 201100761 + 919681 = 14181^2 + 959^2 .

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

It is not an unprimeable number, because it can be changed into a prime (202020449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3884983 + ... + 3885034.

Almost surely, 2^202020442 is an apocalyptic number.

202020442 is a deficient number, since it is larger than the sum of its proper divisors (124320314).

202020442 is a wasteful number, since it uses less digits than its factorization.

202020442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7770032.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 202020442 is about 14213.3895324092. The cubic root of 202020442 is about 586.7662227023.

Adding to 202020442 its reverse (244020202), we get a palindrome (446040644).

The spelling of 202020442 in words is "two hundred two million, twenty thousand, four hundred forty-two".