1220140523320 has 128 divisors (see below), whose sum is σ = 3158499225600. Its totient is φ = 421132953600.

The previous prime is 1220140523233. The next prime is 1220140523383. The reversal of 1220140523320 is 233250410221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1122676 + ... + 1923715.

It is an arithmetic number, because the mean of its divisors is an integer number (24675775200).

Almost surely, 2^{1220140523320} is an apocalyptic number.

1220140523320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220140523320 is an abundant number, since it is smaller than the sum of its proper divisors (1938358702280).

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

1220140523320 is a wasteful number, since it uses less digits than its factorization.

1220140523320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046469 (or 3046465 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 1220140523320 its reverse (233250410221), we get a palindrome (1453390933541).

The spelling of 1220140523320 in words is "one trillion, two hundred twenty billion, one hundred forty million, five hundred twenty-three thousand, three hundred twenty".