202000042 has 16 divisors (see below), whose sum is σ = 308056320. Its totient is φ = 99319968.

The previous prime is 202000021. The next prime is 202000063. The reversal of 202000042 is 240000202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (202000021) and next prime (202000063).

It is a junction number, because it is equal to n+sod(n) for n = 201999992 and 202000028.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113959 + ... + 115717.

It is an arithmetic number, because the mean of its divisors is an integer number (19253520).

Almost surely, 2^202000042 is an apocalyptic number.

202000042 is a deficient number, since it is larger than the sum of its proper divisors (106056278).

202000042 is a wasteful number, since it uses less digits than its factorization.

202000042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 202000042 is about 14212.6718811067. The cubic root of 202000042 is about 586.7464715099.

Adding to 202000042 its reverse (240000202), we get a palindrome (442000244).

The spelling of 202000042 in words is "two hundred two million, forty-two", and thus it is an aban number.