8920531223001 has 18 divisors (see below), whose sum is σ = 13069249771370. Its totient is φ = 5863259928960.

The previous prime is 8920531222991. The next prime is 8920531223033. The reversal of 8920531223001 is 1003221350298.

8920531223001 is a `hidden beast` number, since 8 + 92 + 0 + 531 + 2 + 2 + 30 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8731723592601 + 188807630400 = 2954949^2 + 434520^2 .

It is not a de Polignac number, because 8920531223001 - 2⁷ = 8920531222873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8920531223101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 98265496 + ... + 98356233.

Almost surely, 2^{8920531223001} is an apocalyptic number.

It is an amenable number.

8920531223001 is a deficient number, since it is larger than the sum of its proper divisors (4148718548369).

8920531223001 is a wasteful number, since it uses less digits than its factorization.

8920531223001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196621877 (or 196621803 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 8920531223001 its reverse (1003221350298), we get a palindrome (9923752573299).

The spelling of 8920531223001 in words is "eight trillion, nine hundred twenty billion, five hundred thirty-one million, two hundred twenty-three thousand, one".