20063572439 has 2 divisors, whose sum is σ = 20063572440. Its totient is φ = 20063572438.

The previous prime is 20063572427. The next prime is 20063572453. The reversal of 20063572439 is 93427536002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20063572439 - 2²⁰ = 20062523863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20063572396 and 20063572405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20063572469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10031786219 + 10031786220.

It is an arithmetic number, because the mean of its divisors is an integer number (10031786220).

Almost surely, 2^20063572439 is an apocalyptic number.

20063572439 is a deficient number, since it is larger than the sum of its proper divisors (1).

20063572439 is an equidigital number, since it uses as much as digits as its factorization.

20063572439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 20063572439 in words is "twenty billion, sixty-three million, five hundred seventy-two thousand, four hundred thirty-nine".