201022143434 has 16 divisors (see below), whose sum is σ = 344623538688. Its totient is φ = 86148809712.

The previous prime is 201022143391. The next prime is 201022143461. The reversal of 201022143434 is 434341220102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74279 + ... + 638405.

It is an arithmetic number, because the mean of its divisors is an integer number (21538971168).

Almost surely, 2^201022143434 is an apocalyptic number.

201022143434 is a deficient number, since it is larger than the sum of its proper divisors (143601395254).

201022143434 is a wasteful number, since it uses less digits than its factorization.

201022143434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589589.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 201022143434 its reverse (434341220102), we get a palindrome (635363363536).

The spelling of 201022143434 in words is "two hundred one billion, twenty-two million, one hundred forty-three thousand, four hundred thirty-four".