201024039987 has 6 divisors (see below), whose sum is σ = 290368057772. Its totient is φ = 134016026652.

The previous prime is 201024039971. The next prime is 201024040013. The reversal of 201024039987 is 789930420102.

201024039987 is a `hidden beast` number, since 2 + 0 + 10 + 240 + 399 + 8 + 7 = 666.

It is not a de Polignac number, because 201024039987 - 2⁴ = 201024039971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201024039907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11168002213 + ... + 11168002230.

Almost surely, 2^201024039987 is an apocalyptic number.

201024039987 is a deficient number, since it is larger than the sum of its proper divisors (89344017785).

201024039987 is a wasteful number, since it uses less digits than its factorization.

201024039987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22336004449 (or 22336004446 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 201024039987 in words is "two hundred one billion, twenty-four million, thirty-nine thousand, nine hundred eighty-seven".