33220020841 has 24 divisors (see below), whose sum is σ = 41058734760. Its totient is φ = 26799150336.

The previous prime is 33220020833. The next prime is 33220020853. The reversal of 33220020841 is 14802002233.

It can be written as a sum of positive squares in 4 ways, for example, as 248724441 + 32971296400 = 15771^2 + 181580^2 .

It is not a de Polignac number, because 33220020841 - 2³ = 33220020833 is a prime.

It is a super-2 number, since 2×33220020841² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33220020871) 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 23 ways as a sum of consecutive naturals, for example, 171741 + ... + 309733.

It is an arithmetic number, because the mean of its divisors is an integer number (1710780615).

Almost surely, 2^33220020841 is an apocalyptic number.

It is an amenable number.

33220020841 is a deficient number, since it is larger than the sum of its proper divisors (7838713919).

33220020841 is an equidigital number, since it uses as much as digits as its factorization.

33220020841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138058 (or 138017 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The spelling of 33220020841 in words is "thirty-three billion, two hundred twenty million, twenty thousand, eight hundred forty-one".