2020102001 has 2 divisors, whose sum is σ = 2020102002. Its totient is φ = 2020102000.

The previous prime is 2020101929. The next prime is 2020102033. The reversal of 2020102001 is 1002010202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1488107776 + 531994225 = 38576^2 + 23065^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020102001 - 2²⁶ = 1952993137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2020102001.

It is not a weakly prime, because it can be changed into another prime (2020102081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010051000 + 1010051001.

It is an arithmetic number, because the mean of its divisors is an integer number (1010051001).

Almost surely, 2^2020102001 is an apocalyptic number.

It is an amenable number.

2020102001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020102001 is an equidigital number, since it uses as much as digits as its factorization.

2020102001 is an evil number, because the sum of its binary digits is even.

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

The square root of 2020102001 is about 44945.5448403955. The cubic root of 2020102001 is about 1264.1281417600.

Adding to 2020102001 its reverse (1002010202), we get a palindrome (3022112203).

The spelling of 2020102001 in words is "two billion, twenty million, one hundred two thousand, one".