200202742 has 4 divisors (see below), whose sum is σ = 300304116. Its totient is φ = 100101370.

The previous prime is 200202721. The next prime is 200202749. The reversal of 200202742 is 247202002.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×200202742² = 80162275808637128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200202749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050684 + ... + 50050687.

It is an arithmetic number, because the mean of its divisors is an integer number (75076029).

Almost surely, 2^200202742 is an apocalyptic number.

200202742 is a deficient number, since it is larger than the sum of its proper divisors (100101374).

200202742 is a wasteful number, since it uses less digits than its factorization.

200202742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100101373.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 200202742 is about 14149.3018202313. The cubic root of 200202742 is about 585.0010879762.

Adding to 200202742 its reverse (247202002), we get a palindrome (447404744).

The spelling of 200202742 in words is "two hundred million, two hundred two thousand, seven hundred forty-two".