202104042 has 64 divisors (see below), whose sum is σ = 482955264. Its totient is φ = 55177920.

The previous prime is 202104031. The next prime is 202104053. The reversal of 202104042 is 240401202.

It is an interprime number because it is at equal distance from previous prime (202104031) and next prime (202104053).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83692 + ... + 86072.

It is an arithmetic number, because the mean of its divisors is an integer number (7546176).

Almost surely, 2^202104042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202104042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241477632).

202104042 is an abundant number, since it is smaller than the sum of its proper divisors (280851222).

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

202104042 is a wasteful number, since it uses less digits than its factorization.

202104042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 202104042 is about 14216.3301171575. The cubic root of 202104042 is about 586.8471499768.

Adding to 202104042 its reverse (240401202), we get a palindrome (442505244).

The spelling of 202104042 in words is "two hundred two million, one hundred four thousand, forty-two".