20332040051 has 2 divisors, whose sum is σ = 20332040052. Its totient is φ = 20332040050.

The previous prime is 20332040033. The next prime is 20332040077. The reversal of 20332040051 is 15004023302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20332040051 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20032040051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166020025 + 10166020026.

It is an arithmetic number, because the mean of its divisors is an integer number (10166020026).

Almost surely, 2^20332040051 is an apocalyptic number.

20332040051 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332040051 is an equidigital number, since it uses as much as digits as its factorization.

20332040051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 20332040051 its reverse (15004023302), we get a palindrome (35336063353).

The spelling of 20332040051 in words is "twenty billion, three hundred thirty-two million, forty thousand, fifty-one".