20332022131 has 4 divisors (see below), whose sum is σ = 20401414992. Its totient is φ = 20262629272.

The previous prime is 20332022099. The next prime is 20332022159. The reversal of 20332022131 is 13122023302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13122023302 = 2 ⋅6561011651.

It is a cyclic number.

It is not a de Polignac number, because 20332022131 - 2⁵ = 20332022099 is a prime.

It is a super-2 number, since 2×20332022131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20332022099 and 20332022108.

It is not an unprimeable number, because it can be changed into a prime (20332022171) 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, 34695991 + ... + 34696576.

It is an arithmetic number, because the mean of its divisors is an integer number (5100353748).

Almost surely, 2^20332022131 is an apocalyptic number.

20332022131 is a deficient number, since it is larger than the sum of its proper divisors (69392861).

20332022131 is an equidigital number, since it uses as much as digits as its factorization.

20332022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69392860.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20332022131 its reverse (13122023302), we get a palindrome (33454045433).

The spelling of 20332022131 in words is "twenty billion, three hundred thirty-two million, twenty-two thousand, one hundred thirty-one".