201001332342 has 16 divisors (see below), whose sum is σ = 402008402880. Its totient is φ = 66999487752.

The previous prime is 201001332341. The next prime is 201001332353. The reversal of 201001332342 is 243233100102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001332341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315093 + ... + 708015.

It is an arithmetic number, because the mean of its divisors is an integer number (25125525180).

Almost surely, 2^201001332342 is an apocalyptic number.

201001332342 is an abundant number, since it is smaller than the sum of its proper divisors (201007070538).

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

201001332342 is a wasteful number, since it uses less digits than its factorization.

201001332342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478187.

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

Adding to 201001332342 its reverse (243233100102), we get a palindrome (444234432444).

The spelling of 201001332342 in words is "two hundred one billion, one million, three hundred thirty-two thousand, three hundred forty-two".