20033532234449 has 2 divisors, whose sum is σ = 20033532234450. Its totient is φ = 20033532234448.

The previous prime is 20033532234431. The next prime is 20033532234563. The reversal of 20033532234449 is 94443223533002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13971260974225 + 6062271260224 = 3737815^2 + 2462168^2 .

It is a cyclic number.

It is not a de Polignac number, because 20033532234449 - 2²⁰ = 20033531185873 is a prime.

It is not a weakly prime, because it can be changed into another prime (20033532234649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016766117224 + 10016766117225.

It is an arithmetic number, because the mean of its divisors is an integer number (10016766117225).

Almost surely, 2^{20033532234449} is an apocalyptic number.

It is an amenable number.

20033532234449 is a deficient number, since it is larger than the sum of its proper divisors (1).

20033532234449 is an equidigital number, since it uses as much as digits as its factorization.

20033532234449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 44.

The spelling of 20033532234449 in words is "twenty trillion, thirty-three billion, five hundred thirty-two million, two hundred thirty-four thousand, four hundred forty-nine".