201001202220220 has 48 divisors (see below), whose sum is σ = 424752976811520. Its totient is φ = 79895774246976.

The previous prime is 201001202220179. The next prime is 201001202220253. The reversal of 201001202220220 is 22022202100102.

It is a junction number, because it is equal to n+sod(n) for n = 201001202220194 and 201001202220203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18349801 + ... + 27179359.

It is an arithmetic number, because the mean of its divisors is an integer number (8849020350240).

Almost surely, 2^{201001202220220} is an apocalyptic number.

201001202220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201001202220220 is an abundant number, since it is smaller than the sum of its proper divisors (223751774591300).

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

201001202220220 is a wasteful number, since it uses less digits than its factorization.

201001202220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8836714 (or 8836712 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 201001202220220 its reverse (22022202100102), we get a palindrome (223023404320322).

The spelling of 201001202220220 in words is "two hundred one trillion, one billion, two hundred two million, two hundred twenty thousand, two hundred twenty".