201442500334 has 4 divisors (see below), whose sum is σ = 302163750504. Its totient is φ = 100721250166.

The previous prime is 201442500251. The next prime is 201442500349. The reversal of 201442500334 is 433005244102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 433005244102 = 2 ⋅216502622051.

It is a super-2 number, since 2×201442500334² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50360625082 + ... + 50360625085.

It is an arithmetic number, because the mean of its divisors is an integer number (75540937626).

Almost surely, 2^201442500334 is an apocalyptic number.

201442500334 is a deficient number, since it is larger than the sum of its proper divisors (100721250170).

201442500334 is a wasteful number, since it uses less digits than its factorization.

201442500334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100721250169.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 201442500334 its reverse (433005244102), we get a palindrome (634447744436).

The spelling of 201442500334 in words is "two hundred one billion, four hundred forty-two million, five hundred thousand, three hundred thirty-four".