20124322033 has 4 divisors (see below), whose sum is σ = 21308105700. Its totient is φ = 18940538368.

The previous prime is 20124322021. The next prime is 20124322037. The reversal of 20124322033 is 33022342102.

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 7890413584 + 12233908449 = 88828^2 + 110607^2 .

It is a cyclic number.

It is not a de Polignac number, because 20124322033 - 2³³ = 11534387441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20124321995 and 20124322013.

It is not an unprimeable number, because it can be changed into a prime (20124322037) 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, 591891808 + ... + 591891841.

It is an arithmetic number, because the mean of its divisors is an integer number (5327026425).

Almost surely, 2^20124322033 is an apocalyptic number.

It is an amenable number.

20124322033 is a deficient number, since it is larger than the sum of its proper divisors (1183783667).

20124322033 is a wasteful number, since it uses less digits than its factorization.

20124322033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183783666.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20124322033 its reverse (33022342102), we get a palindrome (53146664135).

The spelling of 20124322033 in words is "twenty billion, one hundred twenty-four million, three hundred twenty-two thousand, thirty-three".