20202012001 has 2 divisors, whose sum is σ = 20202012002. Its totient is φ = 20202012000.

The previous prime is 20202011993. The next prime is 20202012007. The reversal of 20202012001 is 10021020202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16398083025 + 3803928976 = 128055^2 + 61676^2 .

It is a cyclic number.

It is not a de Polignac number, because 20202012001 - 2³ = 20202011993 is a prime.

It is not a weakly prime, because it can be changed into another prime (20202012007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101006000 + 10101006001.

It is an arithmetic number, because the mean of its divisors is an integer number (10101006001).

Almost surely, 2^20202012001 is an apocalyptic number.

It is an amenable number.

20202012001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202012001 is an equidigital number, since it uses as much as digits as its factorization.

20202012001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20202012001 its reverse (10021020202), we get a palindrome (30223032203).

It can be divided in two parts, 2020201 and 2001, that added together give a palindrome (2022202).

The spelling of 20202012001 in words is "twenty billion, two hundred two million, twelve thousand, one".