201000210000220 has 24 divisors (see below), whose sum is σ = 424310390961408. Its totient is φ = 79979141150400.

The previous prime is 201000210000169. The next prime is 201000210000241. The reversal of 201000210000220 is 22000012000102.

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 = 201000210000197 and 201000210000206.

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, 26308924191 + ... + 26308931830.

It is an arithmetic number, because the mean of its divisors is an integer number (17679599623392).

Almost surely, 2^{201000210000220} is an apocalyptic number.

201000210000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201000210000220 is an abundant number, since it is smaller than the sum of its proper divisors (223310180961188).

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

201000210000220 is a wasteful number, since it uses less digits than its factorization.

201000210000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52617856221 (or 52617856219 counting only the distinct ones).

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

Adding to 201000210000220 its reverse (22000012000102), we get a palindrome (223000222000322).

The spelling of 201000210000220 in words is "two hundred one trillion, two hundred ten million, two hundred twenty", and thus it is an aban number.