202110042434 has 8 divisors (see below), whose sum is σ = 303448663740. Its totient is φ = 100960487856.

The previous prime is 202110042377. The next prime is 202110042467. The reversal of 202110042434 is 434240011202.

It can be written as a sum of positive squares in 2 ways, for example, as 199348855225 + 2761187209 = 446485^2 + 52547^2 .

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

It is a Curzon number.

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, 47264009 + ... + 47268284.

Almost surely, 2^202110042434 is an apocalyptic number.

202110042434 is a deficient number, since it is larger than the sum of its proper divisors (101338621306).

202110042434 is a wasteful number, since it uses less digits than its factorization.

202110042434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94533364.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 202110042434 its reverse (434240011202), we get a palindrome (636350053636).

The spelling of 202110042434 in words is "two hundred two billion, one hundred ten million, forty-two thousand, four hundred thirty-four".