1020322333172 has 12 divisors (see below), whose sum is σ = 1785571971876. Its totient is φ = 510158912640.

The previous prime is 1020322333171. The next prime is 1020322333207. The reversal of 1020322333172 is 2713332230201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 677305956196 + 343016376976 = 822986^2 + 585676^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020322333171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847772 + ... + 1661132.

It is an arithmetic number, because the mean of its divisors is an integer number (148797664323).

Almost surely, 2^{1020322333172} is an apocalyptic number.

It is an amenable number.

1020322333172 is a deficient number, since it is larger than the sum of its proper divisors (765249638704).

1020322333172 is a wasteful number, since it uses less digits than its factorization.

1020322333172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126978 (or 1126976 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 1020322333172 its reverse (2713332230201), we get a palindrome (3733654563373).

The spelling of 1020322333172 in words is "one trillion, twenty billion, three hundred twenty-two million, three hundred thirty-three thousand, one hundred seventy-two".