1202241220 has 12 divisors (see below), whose sum is σ = 2524706604. Its totient is φ = 480896480.

The previous prime is 1202241191. The next prime is 1202241221. The reversal of 1202241220 is 221422021.

It can be written as a sum of positive squares in 2 ways, for example, as 443018304 + 759222916 = 21048^2 + 27554^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1202241194 and 1202241203.

It is not an unprimeable number, because it can be changed into a prime (1202241221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30056011 + ... + 30056050.

It is an arithmetic number, because the mean of its divisors is an integer number (210392217).

Almost surely, 2^1202241220 is an apocalyptic number.

1202241220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202241220 is an abundant number, since it is smaller than the sum of its proper divisors (1322465384).

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

1202241220 is a wasteful number, since it uses less digits than its factorization.

1202241220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60112070 (or 60112068 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1202241220 is about 34673.3502851974. The cubic root of 1202241220 is about 1063.3197276413.

Adding to 1202241220 its reverse (221422021), we get a palindrome (1423663241).

The spelling of 1202241220 in words is "one billion, two hundred two million, two hundred forty-one thousand, two hundred twenty".