20241023987 has 2 divisors, whose sum is σ = 20241023988. Its totient is φ = 20241023986.

The previous prime is 20241023981. The next prime is 20241024031. The reversal of 20241023987 is 78932014202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20241023987 - 2⁸ = 20241023731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20241023987.

It is not a weakly prime, because it can be changed into another prime (20241023981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10120511993 + 10120511994.

It is an arithmetic number, because the mean of its divisors is an integer number (10120511994).

Almost surely, 2^20241023987 is an apocalyptic number.

20241023987 is a deficient number, since it is larger than the sum of its proper divisors (1).

20241023987 is an equidigital number, since it uses as much as digits as its factorization.

20241023987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 20241023987 in words is "twenty billion, two hundred forty-one million, twenty-three thousand, nine hundred eighty-seven".