20302022987 has 2 divisors, whose sum is σ = 20302022988. Its totient is φ = 20302022986.

The previous prime is 20302022971. The next prime is 20302023041. The reversal of 20302022987 is 78922020302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20302022987 - 2⁴ = 20302022971 is a prime.

It is not a weakly prime, because it can be changed into another prime (20302022947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151011493 + 10151011494.

It is an arithmetic number, because the mean of its divisors is an integer number (10151011494).

Almost surely, 2^20302022987 is an apocalyptic number.

20302022987 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302022987 is an equidigital number, since it uses as much as digits as its factorization.

20302022987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 20302022987 in words is "twenty billion, three hundred two million, twenty-two thousand, nine hundred eighty-seven".