201142343320 has 32 divisors (see below), whose sum is σ = 452689618320. Its totient is φ = 80435720320.

The previous prime is 201142343293. The next prime is 201142343323. The reversal of 201142343320 is 23343241102.

It is a super-3 number, since 3×201142343320³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201142343323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509011 + ... + 813250.

Almost surely, 2^201142343320 is an apocalyptic number.

201142343320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201142343320 is an abundant number, since it is smaller than the sum of its proper divisors (251547275000).

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

201142343320 is a wasteful number, since it uses less digits than its factorization.

201142343320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326075 (or 1326071 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 201142343320 its reverse (23343241102), we get a palindrome (224485584422).

The spelling of 201142343320 in words is "two hundred one billion, one hundred forty-two million, three hundred forty-three thousand, three hundred twenty".