1020223516044 has 24 divisors (see below), whose sum is σ = 2389371067440. Its totient is φ = 338810286784.

The previous prime is 1020223516033. The next prime is 1020223516057. The reversal of 1020223516044 is 4406153220201.

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, 158023959 + ... + 158030414.

It is an arithmetic number, because the mean of its divisors is an integer number (99557127810).

Almost surely, 2^{1020223516044} is an apocalyptic number.

It is an amenable number.

1020223516044 is an abundant number, since it is smaller than the sum of its proper divisors (1369147551396).

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

1020223516044 is a wasteful number, since it uses less digits than its factorization.

1020223516044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316054649 (or 316054647 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1020223516044 its reverse (4406153220201), we get a palindrome (5426376736245).

The spelling of 1020223516044 in words is "one trillion, twenty billion, two hundred twenty-three million, five hundred sixteen thousand, forty-four".