1069221020940 has 72 divisors (see below), whose sum is σ = 3243392465040. Its totient is φ = 285117807744.

The previous prime is 1069221020927. The next prime is 1069221020983. The reversal of 1069221020940 is 490201229601.

It is a super-2 number, since 2×1069221020940² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1069221020895 and 1069221020904.

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 23 ways as a sum of consecutive naturals, for example, 9950782 + ... + 10057658.

It is an arithmetic number, because the mean of its divisors is an integer number (45047117570).

Almost surely, 2^{1069221020940} is an apocalyptic number.

1069221020940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1069221020940 is an abundant number, since it is smaller than the sum of its proper divisors (2174171444100).

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

1069221020940 is a wasteful number, since it uses less digits than its factorization.

1069221020940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162471 (or 162466 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 1069221020940 in words is "one trillion, sixty-nine billion, two hundred twenty-one million, twenty thousand, nine hundred forty".