1220563140530 has 32 divisors (see below), whose sum is σ = 2215453593600. Its totient is φ = 484131453120.

The previous prime is 1220563140521. The next prime is 1220563140539. The reversal of 1220563140530 is 350413650221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1220563140521) and next prime (1220563140539).

It is not an unprimeable number, because it can be changed into a prime (1220563140539) 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, 2228675 + ... + 2721785.

It is an arithmetic number, because the mean of its divisors is an integer number (69232924800).

Almost surely, 2^{1220563140530} is an apocalyptic number.

1220563140530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220563140530 is a deficient number, since it is larger than the sum of its proper divisors (994890453070).

1220563140530 is a wasteful number, since it uses less digits than its factorization.

1220563140530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495194.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 1220563140530 its reverse (350413650221), we get a palindrome (1570976790751).

The spelling of 1220563140530 in words is "one trillion, two hundred twenty billion, five hundred sixty-three million, one hundred forty thousand, five hundred thirty".