202142443434 has 32 divisors (see below), whose sum is σ = 415611605760. Its totient is φ = 65496537792.

The previous prime is 202142443403. The next prime is 202142443483. The reversal of 202142443434 is 434344241202.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 202142443395 and 202142443404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207529 + ... + 668844.

It is an arithmetic number, because the mean of its divisors is an integer number (12987862680).

Almost surely, 2^202142443434 is an apocalyptic number.

202142443434 is an abundant number, since it is smaller than the sum of its proper divisors (213469162326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202142443434 is a wasteful number, since it uses less digits than its factorization.

202142443434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877454.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 202142443434 its reverse (434344241202), we get a palindrome (636486684636).

The spelling of 202142443434 in words is "two hundred two billion, one hundred forty-two million, four hundred forty-three thousand, four hundred thirty-four".