102020020001 has 2 divisors, whose sum is σ = 102020020002. Its totient is φ = 102020020000.

The previous prime is 102020019977. The next prime is 102020020019. The reversal of 102020020001 is 100020020201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88938150625 + 13081869376 = 298225^2 + 114376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102020020001 is a prime.

It is not a weakly prime, because it can be changed into another prime (102020020021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010010000 + 51010010001.

It is an arithmetic number, because the mean of its divisors is an integer number (51010010001).

Almost surely, 2^102020020001 is an apocalyptic number.

It is an amenable number.

102020020001 is a deficient number, since it is larger than the sum of its proper divisors (1).

102020020001 is an equidigital number, since it uses as much as digits as its factorization.

102020020001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 102020020001 its reverse (100020020201), we get a palindrome (202040040202).

The spelling of 102020020001 in words is "one hundred two billion, twenty million, twenty thousand, one".