201001200220 has 24 divisors (see below), whose sum is σ = 428047629408. Its totient is φ = 79268078400.

The previous prime is 201001200209. The next prime is 201001200263. The reversal of 201001200220 is 22002100102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 201001200197 and 201001200206.

It is a congruent 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, 70773651 + ... + 70776490.

It is an arithmetic number, because the mean of its divisors is an integer number (17835317892).

Almost surely, 2^201001200220 is an apocalyptic number.

201001200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201001200220 is an abundant number, since it is smaller than the sum of its proper divisors (227046429188).

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

201001200220 is a wasteful number, since it uses less digits than its factorization.

201001200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141550221 (or 141550219 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 201001200220 its reverse (22002100102), we get a palindrome (223003300322).

The spelling of 201001200220 in words is "two hundred one billion, one million, two hundred thousand, two hundred twenty".