201031230020022 has 24 divisors (see below), whose sum is σ = 461189292399576. Its totient is φ = 63068621182656.

The previous prime is 201031230020011. The next prime is 201031230020059. The reversal of 201031230020022 is 220020032130102.

201031230020022 is a `hidden beast` number, since 2 + 0 + 10 + 312 + 300 + 20 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201031230019977 and 201031230020004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328482401688 + ... + 328482402299.

It is an arithmetic number, because the mean of its divisors is an integer number (19216220516649).

Almost surely, 2^{201031230020022} is an apocalyptic number.

201031230020022 is an abundant number, since it is smaller than the sum of its proper divisors (260158062379554).

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

201031230020022 is a wasteful number, since it uses less digits than its factorization.

201031230020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656964804012 (or 656964804009 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 201031230020022 its reverse (220020032130102), we get a palindrome (421051262150124).

The spelling of 201031230020022 in words is "two hundred one trillion, thirty-one billion, two hundred thirty million, twenty thousand, twenty-two".