201642032105 has 8 divisors (see below), whose sum is σ = 242060641152. Its totient is φ = 161253490608.

The previous prime is 201642032077. The next prime is 201642032113. The reversal of 201642032105 is 501230246102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 201642032105 - 2¹⁰ = 201642031081 is a prime.

It is a super-2 number, since 2×201642032105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7502129 + ... + 7528958.

It is an arithmetic number, because the mean of its divisors is an integer number (30257580144).

Almost surely, 2^201642032105 is an apocalyptic number.

It is an amenable number.

201642032105 is a deficient number, since it is larger than the sum of its proper divisors (40418609047).

201642032105 is a wasteful number, since it uses less digits than its factorization.

201642032105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15033775.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 201642032105 its reverse (501230246102), we get a palindrome (702872278207).

The spelling of 201642032105 in words is "two hundred one billion, six hundred forty-two million, thirty-two thousand, one hundred five".