201022201212020 has 48 divisors (see below), whose sum is σ = 432093213030528. Its totient is φ = 78535460411520.

The previous prime is 201022201212011. The next prime is 201022201212101. The reversal of 201022201212020 is 20212102220102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 201022201212020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 661366427 + ... + 661670306.

It is an arithmetic number, because the mean of its divisors is an integer number (9001941938136).

Almost surely, 2^{201022201212020} is an apocalyptic number.

201022201212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201022201212020 is an abundant number, since it is smaller than the sum of its proper divisors (231071011818508).

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

201022201212020 is a wasteful number, since it uses less digits than its factorization.

201022201212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323036920 (or 1323036918 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201022201212020 its reverse (20212102220102), we get a palindrome (221234303432122).

The spelling of 201022201212020 in words is "two hundred one trillion, twenty-two billion, two hundred one million, two hundred twelve thousand, twenty".