20002022987 has 2 divisors, whose sum is σ = 20002022988. Its totient is φ = 20002022986.

The previous prime is 20002022983. The next prime is 20002023011. The reversal of 20002022987 is 78922020002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20002022987 - 2² = 20002022983 is a prime.

It is not a weakly prime, because it can be changed into another prime (20002022983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001011493 + 10001011494.

It is an arithmetic number, because the mean of its divisors is an integer number (10001011494).

Almost surely, 2^20002022987 is an apocalyptic number.

20002022987 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002022987 is an equidigital number, since it uses as much as digits as its factorization.

20002022987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

Adding to 20002022987 its reverse (78922020002), we get a palindrome (98924042989).

The spelling of 20002022987 in words is "twenty billion, two million, twenty-two thousand, nine hundred eighty-seven".