201320303142 has 64 divisors (see below), whose sum is σ = 465553474560. Its totient is φ = 56846608896.

The previous prime is 201320303123. The next prime is 201320303183. The reversal of 201320303142 is 241303023102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8574463 + ... + 8597909.

It is an arithmetic number, because the mean of its divisors is an integer number (7274273040).

Almost surely, 2^201320303142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201320303142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232776737280).

201320303142 is an abundant number, since it is smaller than the sum of its proper divisors (264233171418).

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

201320303142 is a wasteful number, since it uses less digits than its factorization.

201320303142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25845.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 201320303142 its reverse (241303023102), we get a palindrome (442623326244).

The spelling of 201320303142 in words is "two hundred one billion, three hundred twenty million, three hundred three thousand, one hundred forty-two".