1320022645052 has 24 divisors (see below), whose sum is σ = 2312640491280. Its totient is φ = 659268529920.

The previous prime is 1320022645043. The next prime is 1320022645087. The reversal of 1320022645052 is 2505462200231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18123524 + ... + 18196212.

It is an arithmetic number, because the mean of its divisors is an integer number (96360020470).

Almost surely, 2^{1320022645052} is an apocalyptic number.

It is an amenable number.

1320022645052 is a deficient number, since it is larger than the sum of its proper divisors (992617846228).

1320022645052 is a wasteful number, since it uses less digits than its factorization.

1320022645052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77741 (or 77739 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 1320022645052 its reverse (2505462200231), we get a palindrome (3825484845283).

The spelling of 1320022645052 in words is "one trillion, three hundred twenty billion, twenty-two million, six hundred forty-five thousand, fifty-two".