201021342 has 8 divisors (see below), whose sum is σ = 402042696. Its totient is φ = 67007112.

The previous prime is 201021323. The next prime is 201021367. The reversal of 201021342 is 243120102.

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

201021342 is an admirable number.

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, 16751773 + ... + 16751784.

It is an arithmetic number, because the mean of its divisors is an integer number (50255337).

Almost surely, 2^201021342 is an apocalyptic number.

201021342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

201021342 is a wasteful number, since it uses less digits than its factorization.

201021342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33503562.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 201021342 is about 14178.1995330860. The cubic root of 201021342 is about 585.7973319429.

Adding to 201021342 its reverse (243120102), we get a palindrome (444141444).

The spelling of 201021342 in words is "two hundred one million, twenty-one thousand, three hundred forty-two".