202023442 has 8 divisors (see below), whose sum is σ = 303123456. Its totient is φ = 100982292.

The previous prime is 202023403. The next prime is 202023443. The reversal of 202023442 is 244320202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×202023442² = 81626942235054728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202023443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4798 + ... + 20665.

It is an arithmetic number, because the mean of its divisors is an integer number (37890432).

Almost surely, 2^202023442 is an apocalyptic number.

202023442 is a deficient number, since it is larger than the sum of its proper divisors (101100014).

202023442 is a wasteful number, since it uses less digits than its factorization.

202023442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29432.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 202023442 is about 14213.4950663093. The cubic root of 202023442 is about 586.7691271773.

Adding to 202023442 its reverse (244320202), we get a palindrome (446343644).

The spelling of 202023442 in words is "two hundred two million, twenty-three thousand, four hundred forty-two".