1201330220 has 24 divisors (see below), whose sum is σ = 2609787600. Its totient is φ = 463961792.

The previous prime is 1201330219. The next prime is 1201330223. The reversal of 1201330220 is 220331021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201330195 and 1201330204.

It is not an unprimeable number, because it can be changed into a prime (1201330223) 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, 1035050 + ... + 1036209.

It is an arithmetic number, because the mean of its divisors is an integer number (108741150).

Almost surely, 2^1201330220 is an apocalyptic number.

1201330220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201330220 is an abundant number, since it is smaller than the sum of its proper divisors (1408457380).

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

1201330220 is a wasteful number, since it uses less digits than its factorization.

1201330220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071297 (or 2071295 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1201330220 is about 34660.2109053018. The cubic root of 1201330220 is about 1063.0510824275.

Adding to 1201330220 its reverse (220331021), we get a palindrome (1421661241).

The spelling of 1201330220 in words is "one billion, two hundred one million, three hundred thirty thousand, two hundred twenty".