20020030220987 has 2 divisors, whose sum is σ = 20020030220988. Its totient is φ = 20020030220986.

The previous prime is 20020030220969. The next prime is 20020030221031. The reversal of 20020030220987 is 78902203002002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20020030220987 - 2⁴⁰ = 18920518593211 is a prime.

It is a super-2 number, since 2×20020030220987² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20020030220917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010015110493 + 10010015110494.

It is an arithmetic number, because the mean of its divisors is an integer number (10010015110494).

Almost surely, 2^{20020030220987} is an apocalyptic number.

20020030220987 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020030220987 is an equidigital number, since it uses as much as digits as its factorization.

20020030220987 is an evil number, because the sum of its binary digits is even.

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

Adding to 20020030220987 its reverse (78902203002002), we get a palindrome (98922233222989).

The spelling of 20020030220987 in words is "twenty trillion, twenty billion, thirty million, two hundred twenty thousand, nine hundred eighty-seven".