201020202020022 has 64 divisors (see below), whose sum is σ = 501325655846400. Its totient is φ = 52204656487680.

The previous prime is 201020202019969. The next prime is 201020202020047. The reversal of 201020202020022 is 220020202020102.

It is a junction number, because it is equal to n+sod(n) for n = 201020202019983 and 201020202020010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32048247 + ... + 37803842.

It is an arithmetic number, because the mean of its divisors is an integer number (7833213372600).

Almost surely, 2^{201020202020022} is an apocalyptic number.

201020202020022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201020202020022 is an abundant number, since it is smaller than the sum of its proper divisors (300305453826378).

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

201020202020022 is a wasteful number, since it uses less digits than its factorization.

201020202020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69858341.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 201020202020022 its reverse (220020202020102), we get a palindrome (421040404040124).

The spelling of 201020202020022 in words is "two hundred one trillion, twenty billion, two hundred two million, twenty thousand, twenty-two".