32020319987 has 2 divisors, whose sum is σ = 32020319988. Its totient is φ = 32020319986.

The previous prime is 32020319977. The next prime is 32020320049. The reversal of 32020319987 is 78991302023.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32020319987 - 2⁸ = 32020319731 is a prime.

It is not a weakly prime, because it can be changed into another prime (32020319977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16010159993 + 16010159994.

It is an arithmetic number, because the mean of its divisors is an integer number (16010159994).

Almost surely, 2^32020319987 is an apocalyptic number.

32020319987 is a deficient number, since it is larger than the sum of its proper divisors (1).

32020319987 is an equidigital number, since it uses as much as digits as its factorization.

32020319987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 32020319987 in words is "thirty-two billion, twenty million, three hundred nineteen thousand, nine hundred eighty-seven".