20332772051 has 2 divisors, whose sum is σ = 20332772052. Its totient is φ = 20332772050.

The previous prime is 20332772027. The next prime is 20332772099. The reversal of 20332772051 is 15027723302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20332772051 - 2¹⁰ = 20332771027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20332771999 and 20332772017.

It is not a weakly prime, because it can be changed into another prime (20332772851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166386025 + 10166386026.

It is an arithmetic number, because the mean of its divisors is an integer number (10166386026).

Almost surely, 2^20332772051 is an apocalyptic number.

20332772051 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332772051 is an equidigital number, since it uses as much as digits as its factorization.

20332772051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 32.

The spelling of 20332772051 in words is "twenty billion, three hundred thirty-two million, seven hundred seventy-two thousand, fifty-one".