20422324033 has 4 divisors (see below), whose sum is σ = 20439329668. Its totient is φ = 20405318400.

The previous prime is 20422324019. The next prime is 20422324037. The reversal of 20422324033 is 33042322402.

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 8316163249 + 12106160784 = 91193^2 + 110028^2 .

It is a cyclic number.

It is not a de Polignac number, because 20422324033 - 2⁹ = 20422323521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20422323989 and 20422324007.

It is not an unprimeable number, because it can be changed into a prime (20422324037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8501016 + ... + 8503417.

It is an arithmetic number, because the mean of its divisors is an integer number (5109832417).

Almost surely, 2^20422324033 is an apocalyptic number.

It is an amenable number.

20422324033 is a deficient number, since it is larger than the sum of its proper divisors (17005635).

20422324033 is a wasteful number, since it uses less digits than its factorization.

20422324033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17005634.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 20422324033 its reverse (33042322402), we get a palindrome (53464646435).

The spelling of 20422324033 in words is "twenty billion, four hundred twenty-two million, three hundred twenty-four thousand, thirty-three".