20522455033 has 16 divisors (see below), whose sum is σ = 21136453056. Its totient is φ = 19918103040.

The previous prime is 20522455021. The next prime is 20522455043. The reversal of 20522455033 is 33055422502.

It is not a de Polignac number, because 20522455033 - 2²¹ = 20520357881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20522454986 and 20522455004.

It is not an unprimeable number, because it can be changed into a prime (20522455043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6655110 + ... + 6658192.

It is an arithmetic number, because the mean of its divisors is an integer number (1321028316).

Almost surely, 2^20522455033 is an apocalyptic number.

It is an amenable number.

20522455033 is a deficient number, since it is larger than the sum of its proper divisors (613998023).

20522455033 is a wasteful number, since it uses less digits than its factorization.

20522455033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584.

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 20522455033 its reverse (33055422502), we get a palindrome (53577877535).

The spelling of 20522455033 in words is "twenty billion, five hundred twenty-two million, four hundred fifty-five thousand, thirty-three".