20033520504245 has 4 divisors (see below), whose sum is σ = 24040224605100. Its totient is φ = 16026816403392.

The previous prime is 20033520504223. The next prime is 20033520504301. The reversal of 20033520504245 is 54240502533002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2921614188529 + 17111906315716 = 1709273^2 + 4136654^2 .

It is a cyclic number.

It is not a de Polignac number, because 20033520504245 - 2²⁶ = 20033453395381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003352050420 + ... + 2003352050429.

It is an arithmetic number, because the mean of its divisors is an integer number (6010056151275).

Almost surely, 2^{20033520504245} is an apocalyptic number.

It is an amenable number.

20033520504245 is a deficient number, since it is larger than the sum of its proper divisors (4006704100855).

20033520504245 is an equidigital number, since it uses as much as digits as its factorization.

20033520504245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006704100854.

The product of its (nonzero) digits is 144000, while the sum is 35.

The spelling of 20033520504245 in words is "twenty trillion, thirty-three billion, five hundred twenty million, five hundred four thousand, two hundred forty-five".