202110303042 has 24 divisors (see below), whose sum is σ = 438089050620. Its totient is φ = 67341886560.

The previous prime is 202110303013. The next prime is 202110303053. The reversal of 202110303042 is 240303011202.

It can be written as a sum of positive squares in 2 ways, for example, as 199666879281 + 2443423761 = 446841^2 + 49431^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2307009 + ... + 2393012.

Almost surely, 2^202110303042 is an apocalyptic number.

202110303042 is an abundant number, since it is smaller than the sum of its proper divisors (235978747578).

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

202110303042 is a wasteful number, since it uses less digits than its factorization.

202110303042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4702418 (or 4702415 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 202110303042 its reverse (240303011202), we get a palindrome (442413314244).

The spelling of 202110303042 in words is "two hundred two billion, one hundred ten million, three hundred three thousand, forty-two".