202042930 has 8 divisors (see below), whose sum is σ = 363677292. Its totient is φ = 80817168.

The previous prime is 202042927. The next prime is 202042933. The reversal of 202042930 is 39240202.

It is an interprime number because it is at equal distance from previous prime (202042927) and next prime (202042933).

It can be written as a sum of positive squares in 2 ways, for example, as 194017041 + 8025889 = 13929^2 + 2833^2 .

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 (202042933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10102137 + ... + 10102156.

Almost surely, 2^202042930 is an apocalyptic number.

202042930 is a deficient number, since it is larger than the sum of its proper divisors (161634362).

202042930 is a wasteful number, since it uses less digits than its factorization.

202042930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20204300.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 202042930 is about 14214.1805954476. The cubic root of 202042930 is about 586.7879939467.

The spelling of 202042930 in words is "two hundred two million, forty-two thousand, nine hundred thirty".