20020133701 has 2 divisors, whose sum is σ = 20020133702. Its totient is φ = 20020133700.

The previous prime is 20020133689. The next prime is 20020133719. The reversal of 20020133701 is 10733102002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15775611201 + 4244522500 = 125601^2 + 65150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20020133701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020133761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010066850 + 10010066851.

It is an arithmetic number, because the mean of its divisors is an integer number (10010066851).

Almost surely, 2^20020133701 is an apocalyptic number.

It is an amenable number.

20020133701 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020133701 is an equidigital number, since it uses as much as digits as its factorization.

20020133701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

Adding to 20020133701 its reverse (10733102002), we get a palindrome (30753235703).

The spelling of 20020133701 in words is "twenty billion, twenty million, one hundred thirty-three thousand, seven hundred one".