1020144322320 has 40 divisors (see below), whose sum is σ = 3162447399936. Its totient is φ = 272038485888.

The previous prime is 1020144322289. The next prime is 1020144322331. The reversal of 1020144322320 is 232234410201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2125300432 + ... + 2125300911.

Almost surely, 2^{1020144322320} is an apocalyptic number.

1020144322320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020144322320 is an abundant number, since it is smaller than the sum of its proper divisors (2142303077616).

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

1020144322320 is a wasteful number, since it uses less digits than its factorization.

1020144322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250601359 (or 4250601353 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1020144322320 its reverse (232234410201), we get a palindrome (1252378732521).

The spelling of 1020144322320 in words is "one trillion, twenty billion, one hundred forty-four million, three hundred twenty-two thousand, three hundred twenty".