20112425033 has 4 divisors (see below), whose sum is σ = 20112712068. Its totient is φ = 20112138000.

The previous prime is 20112424973. The next prime is 20112425041. The reversal of 20112425033 is 33052421102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3837554704 + 16274870329 = 61948^2 + 127573^2 .

It is a cyclic number.

It is not a de Polignac number, because 20112425033 - 2²⁶ = 20045316169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112425633) 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, 38735 + ... + 204267.

It is an arithmetic number, because the mean of its divisors is an integer number (5028178017).

Almost surely, 2^20112425033 is an apocalyptic number.

It is an amenable number.

20112425033 is a deficient number, since it is larger than the sum of its proper divisors (287035).

20112425033 is a wasteful number, since it uses less digits than its factorization.

20112425033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287034.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 20112425033 its reverse (33052421102), we get a palindrome (53164846135).

The spelling of 20112425033 in words is "twenty billion, one hundred twelve million, four hundred twenty-five thousand, thirty-three".