20003432369 has 2 divisors, whose sum is σ = 20003432370. Its totient is φ = 20003432368.

The previous prime is 20003432299. The next prime is 20003432411. The reversal of 20003432369 is 96323430002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11155584400 + 8847847969 = 105620^2 + 94063^2 .

It is a cyclic number.

It is not a de Polignac number, because 20003432369 - 2¹² = 20003428273 is a prime.

It is a super-2 number, since 2×20003432369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20003434369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001716184 + 10001716185.

It is an arithmetic number, because the mean of its divisors is an integer number (10001716185).

Almost surely, 2^20003432369 is an apocalyptic number.

It is an amenable number.

20003432369 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003432369 is an equidigital number, since it uses as much as digits as its factorization.

20003432369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 20003432369 in words is "twenty billion, three million, four hundred thirty-two thousand, three hundred sixty-nine".