201142241420 has 12 divisors (see below), whose sum is σ = 422398707024. Its totient is φ = 80456896560.

The previous prime is 201142241413. The next prime is 201142241429. The reversal of 201142241420 is 24142241102.

It is not an unprimeable number, because it can be changed into a prime (201142241429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5028556016 + ... + 5028556055.

It is an arithmetic number, because the mean of its divisors is an integer number (35199892252).

Almost surely, 2^201142241420 is an apocalyptic number.

201142241420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201142241420 is an abundant number, since it is smaller than the sum of its proper divisors (221256465604).

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

201142241420 is a wasteful number, since it uses less digits than its factorization.

201142241420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10057112080 (or 10057112078 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 201142241420 its reverse (24142241102), we get a palindrome (225284482522).

The spelling of 201142241420 in words is "two hundred one billion, one hundred forty-two million, two hundred forty-one thousand, four hundred twenty".