20040555333091 has 4 divisors (see below), whose sum is σ = 20040629203000. Its totient is φ = 20040481463184.

The previous prime is 20040555333023. The next prime is 20040555333103. The reversal of 20040555333091 is 19033355504002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20040555333091 - 2³³ = 20031965398499 is a prime.

It is a super-3 number, since 3×20040555333091³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20040555333011) 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, 36526506 + ... + 37071103.

It is an arithmetic number, because the mean of its divisors is an integer number (5010157300750).

Almost surely, 2^{20040555333091} is an apocalyptic number.

20040555333091 is a deficient number, since it is larger than the sum of its proper divisors (73869909).

20040555333091 is an equidigital number, since it uses as much as digits as its factorization.

20040555333091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73869908.

The product of its (nonzero) digits is 243000, while the sum is 40.

The spelling of 20040555333091 in words is "twenty trillion, forty billion, five hundred fifty-five million, three hundred thirty-three thousand, ninety-one".