243202030 has 16 divisors (see below), whose sum is σ = 438286464. Its totient is φ = 97164640.

The previous prime is 243202021. The next prime is 243202039. The reversal of 243202030 is 30202342.

It is an interprime number because it is at equal distance from previous prime (243202021) and next prime (243202039).

It is a super-2 number, since 2×243202030² = 118294454792241800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243201995 and 243202013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243202039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5461 + ... + 22720.

It is an arithmetic number, because the mean of its divisors is an integer number (27392904).

Almost surely, 2^243202030 is an apocalyptic number.

243202030 is a deficient number, since it is larger than the sum of its proper divisors (195084434).

243202030 is a wasteful number, since it uses less digits than its factorization.

243202030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29051.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 243202030 is about 15594.9360370602. The cubic root of 243202030 is about 624.1980370087.

Adding to 243202030 its reverse (30202342), we get a palindrome (273404372).

The spelling of 243202030 in words is "two hundred forty-three million, two hundred two thousand, thirty".