20432121119 has 2 divisors, whose sum is σ = 20432121120. Its totient is φ = 20432121118.

The previous prime is 20432121113. The next prime is 20432121163. The reversal of 20432121119 is 91112123402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20432121119 is a prime.

It is a super-2 number, since 2×20432121119² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20432121113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10216060559 + 10216060560.

It is an arithmetic number, because the mean of its divisors is an integer number (10216060560).

Almost surely, 2^20432121119 is an apocalyptic number.

20432121119 is a deficient number, since it is larger than the sum of its proper divisors (1).

20432121119 is an equidigital number, since it uses as much as digits as its factorization.

20432121119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 20432121119 in words is "twenty billion, four hundred thirty-two million, one hundred twenty-one thousand, one hundred nineteen".