20425042233 has 6 divisors (see below), whose sum is σ = 29502838794. Its totient is φ = 13616694816.

The previous prime is 20425042151. The next prime is 20425042271. The reversal of 20425042233 is 33224052402.

It is a happy number.

20425042233 is a `hidden beast` number, since 2 + 0 + 425 + 0 + 4 + 2 + 233 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14489418384 + 5935623849 = 120372^2 + 77043^2 .

It is not a de Polignac number, because 20425042233 - 2⁸ = 20425041977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20425042197 and 20425042206.

It is not an unprimeable number, because it can be changed into a prime (20425042133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1134724560 + ... + 1134724577.

It is an arithmetic number, because the mean of its divisors is an integer number (4917139799).

Almost surely, 2^20425042233 is an apocalyptic number.

It is an amenable number.

20425042233 is a deficient number, since it is larger than the sum of its proper divisors (9077796561).

20425042233 is a wasteful number, since it uses less digits than its factorization.

20425042233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269449143 (or 2269449140 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 20425042233 its reverse (33224052402), we get a palindrome (53649094635).

The spelling of 20425042233 in words is "twenty billion, four hundred twenty-five million, forty-two thousand, two hundred thirty-three".