1201302220 has 24 divisors (see below), whose sum is σ = 2523755808. Its totient is φ = 480326400.

The previous prime is 1201302197. The next prime is 1201302247. The reversal of 1201302220 is 222031021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201302220.

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, 45060 + ... + 66580.

It is an arithmetic number, because the mean of its divisors is an integer number (105156492).

Almost surely, 2^1201302220 is an apocalyptic number.

1201302220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201302220 is an abundant number, since it is smaller than the sum of its proper divisors (1322453588).

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

1201302220 is a wasteful number, since it uses less digits than its factorization.

1201302220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24321 (or 24319 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1201302220 is about 34659.8069815745. The cubic root of 1201302220 is about 1063.0428233435.

Adding to 1201302220 its reverse (222031021), we get a palindrome (1423333241).

The spelling of 1201302220 in words is "one billion, two hundred one million, three hundred two thousand, two hundred twenty".