202420332243 has 12 divisors (see below), whose sum is σ = 307773604840. Its totient is φ = 127844420256.

The previous prime is 202420332229. The next prime is 202420332287. The reversal of 202420332243 is 342233024202.

It is a happy number.

202420332243 is a `hidden beast` number, since 202 + 420 + 3 + 32 + 2 + 4 + 3 = 666.

It is not a de Polignac number, because 202420332243 - 2⁵ = 202420332211 is a prime.

It is a super-2 number, since 2×202420332243² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202420332043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 591872146 + ... + 591872487.

Almost surely, 2^202420332243 is an apocalyptic number.

202420332243 is a deficient number, since it is larger than the sum of its proper divisors (105353272597).

202420332243 is a wasteful number, since it uses less digits than its factorization.

202420332243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183744658 (or 1183744655 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 202420332243 its reverse (342233024202), we get a palindrome (544653356445).

The spelling of 202420332243 in words is "two hundred two billion, four hundred twenty million, three hundred thirty-two thousand, two hundred forty-three".