33220020959 has 2 divisors, whose sum is σ = 33220020960. Its totient is φ = 33220020958.

The previous prime is 33220020947. The next prime is 33220021001. The reversal of 33220020959 is 95902002233.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33220020959 is a prime.

It is a super-2 number, since 2×33220020959² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33220020919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16610010479 + 16610010480.

It is an arithmetic number, because the mean of its divisors is an integer number (16610010480).

Almost surely, 2^33220020959 is an apocalyptic number.

33220020959 is a deficient number, since it is larger than the sum of its proper divisors (1).

33220020959 is an equidigital number, since it uses as much as digits as its factorization.

33220020959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 33220020959 in words is "thirty-three billion, two hundred twenty million, twenty thousand, nine hundred fifty-nine".