201200313220 has 24 divisors (see below), whose sum is σ = 422548498008. Its totient is φ = 80474822400.

The previous prime is 201200313179. The next prime is 201200313229. The reversal of 201200313220 is 22313002102.

It can be written as a sum of positive squares in 4 ways, for example, as 37796803396 + 163403509824 = 194414^2 + 404232^2 .

It is a super-2 number, since 2×201200313220² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201200313194 and 201200313203.

It is not an unprimeable number, because it can be changed into a prime (201200313229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12841 + ... + 634480.

It is an arithmetic number, because the mean of its divisors is an integer number (17606187417).

Almost surely, 2^201200313220 is an apocalyptic number.

201200313220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201200313220 is an abundant number, since it is smaller than the sum of its proper divisors (221348184788).

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

201200313220 is a wasteful number, since it uses less digits than its factorization.

201200313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662871 (or 662869 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 201200313220 its reverse (22313002102), we get a palindrome (223513315322).

The spelling of 201200313220 in words is "two hundred one billion, two hundred million, three hundred thirteen thousand, two hundred twenty".