1022320252520 has 64 divisors (see below), whose sum is σ = 2767182652800. Its totient is φ = 332061914880.

The previous prime is 1022320252517. The next prime is 1022320252537. The reversal of 1022320252520 is 252520232201.

It is a self number, because there is not a number n which added to its sum of digits gives 1022320252520.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96077411 + ... + 96088050.

It is an arithmetic number, because the mean of its divisors is an integer number (43237228950).

Almost surely, 2^{1022320252520} is an apocalyptic number.

1022320252520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022320252520 is an abundant number, since it is smaller than the sum of its proper divisors (1744862400280).

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

1022320252520 is a wasteful number, since it uses less digits than its factorization.

1022320252520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192165498 (or 192165494 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 1022320252520 its reverse (252520232201), we get a palindrome (1274840484721).

The spelling of 1022320252520 in words is "one trillion, twenty-two billion, three hundred twenty million, two hundred fifty-two thousand, five hundred twenty".