200010101220 has 36 divisors (see below), whose sum is σ = 606697307580. Its totient is φ = 53336026944.

The previous prime is 200010101201. The next prime is 200010101287. The reversal of 200010101220 is 22101010002.

It can be written as a sum of positive squares in 2 ways, for example, as 106094821284 + 93915279936 = 325722^2 + 306456^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555583435 + ... + 555583794.

Almost surely, 2^200010101220 is an apocalyptic number.

200010101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200010101220 is an abundant number, since it is smaller than the sum of its proper divisors (406687206360).

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

200010101220 is a wasteful number, since it uses less digits than its factorization.

200010101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111167244 (or 1111167239 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 200010101220 its reverse (22101010002), we get a palindrome (222111111222).

The spelling of 200010101220 in words is "two hundred billion, ten million, one hundred one thousand, two hundred twenty".