201091920002 has 16 divisors (see below), whose sum is σ = 312593480640. Its totient is φ = 96906410832.

The previous prime is 201091919981. The next prime is 201091920013. The reversal of 201091920002 is 200029190102.

It is a happy 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, 3046478 + ... + 3111785.

It is an arithmetic number, because the mean of its divisors is an integer number (19537092540).

Almost surely, 2^201091920002 is an apocalyptic number.

201091920002 is a deficient number, since it is larger than the sum of its proper divisors (111501560638).

201091920002 is a wasteful number, since it uses less digits than its factorization.

201091920002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6158857.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 201091920002 in words is "two hundred one billion, ninety-one million, nine hundred twenty thousand, two".