202420230434 has 8 divisors (see below), whose sum is σ = 314100357660. Its totient is φ = 97720111216.

The previous prime is 202420230407. The next prime is 202420230451. The reversal of 202420230434 is 434032024202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 202187820409 + 232410025 = 449653^2 + 15245^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745001929 + ... + 1745002044.

Almost surely, 2^202420230434 is an apocalyptic number.

202420230434 is a deficient number, since it is larger than the sum of its proper divisors (111680127226).

202420230434 is a wasteful number, since it uses less digits than its factorization.

202420230434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3490004004.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 202420230434 its reverse (434032024202), we get a palindrome (636452254636).

The spelling of 202420230434 in words is "two hundred two billion, four hundred twenty million, two hundred thirty thousand, four hundred thirty-four".