9920033201291 has 4 divisors (see below), whose sum is σ = 9920040366552. Its totient is φ = 9920026036032.

The previous prime is 9920033201269. The next prime is 9920033201321. The reversal of 9920033201291 is 1921023300299.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9920033201291 - 2¹⁸ = 9920032939147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9920033201231) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 769781 + ... + 4520246.

It is an arithmetic number, because the mean of its divisors is an integer number (2480010091638).

Almost surely, 2^{9920033201291} is an apocalyptic number.

9920033201291 is a deficient number, since it is larger than the sum of its proper divisors (7165261).

9920033201291 is a wasteful number, since it uses less digits than its factorization.

9920033201291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7165260.

The product of its (nonzero) digits is 52488, while the sum is 41.

The spelling of 9920033201291 in words is "nine trillion, nine hundred twenty billion, thirty-three million, two hundred one thousand, two hundred ninety-one".