201420343142 has 8 divisors (see below), whose sum is σ = 302151177696. Its totient is φ = 100703283912.

The previous prime is 201420343127. The next prime is 201420343207. The reversal of 201420343142 is 241343024102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3407198 + ... + 3465809.

It is an arithmetic number, because the mean of its divisors is an integer number (37768897212).

Almost surely, 2^201420343142 is an apocalyptic number.

201420343142 is a deficient number, since it is larger than the sum of its proper divisors (100730834554).

201420343142 is a wasteful number, since it uses less digits than its factorization.

201420343142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6887662.

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

Adding to 201420343142 its reverse (241343024102), we get a palindrome (442763367244).

The spelling of 201420343142 in words is "two hundred one billion, four hundred twenty million, three hundred forty-three thousand, one hundred forty-two".