202420142 has 16 divisors (see below), whose sum is σ = 313884672. Its totient is φ = 97801560.

The previous prime is 202420133. The next prime is 202420147. The reversal of 202420142 is 241024202.

It is a happy number.

202420142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 202420142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202420147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49043 + ... + 53009.

It is an arithmetic number, because the mean of its divisors is an integer number (19617792).

Almost surely, 2^202420142 is an apocalyptic number.

202420142 is a deficient number, since it is larger than the sum of its proper divisors (111464530).

202420142 is a wasteful number, since it uses less digits than its factorization.

202420142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4823.

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

The square root of 202420142 is about 14227.4432699625. The cubic root of 202420142 is about 587.1529425689.

Adding to 202420142 its reverse (241024202), we get a palindrome (443444344).

The spelling of 202420142 in words is "two hundred two million, four hundred twenty thousand, one hundred forty-two".