201210200220 has 48 divisors (see below), whose sum is σ = 581562390528. Its totient is φ = 51925212480.

The previous prime is 201210200209. The next prime is 201210200221. The reversal of 201210200220 is 22002012102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 201210200196 and 201210200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201210200221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54086904 + ... + 54090623.

It is an arithmetic number, because the mean of its divisors is an integer number (12115883136).

Almost surely, 2^201210200220 is an apocalyptic number.

201210200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201210200220 is an abundant number, since it is smaller than the sum of its proper divisors (380352190308).

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

201210200220 is a wasteful number, since it uses less digits than its factorization.

201210200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108177570 (or 108177568 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 201210200220 its reverse (22002012102), we get a palindrome (223212212322).

The spelling of 201210200220 in words is "two hundred one billion, two hundred ten million, two hundred thousand, two hundred twenty".