20872533301 has 2 divisors, whose sum is σ = 20872533302. Its totient is φ = 20872533300.

The previous prime is 20872533287. The next prime is 20872533307. The reversal of 20872533301 is 10333527802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11001912100 + 9870621201 = 104890^2 + 99351^2 .

It is a cyclic number.

It is not a de Polignac number, because 20872533301 - 2⁹ = 20872532789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20872533307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10436266650 + 10436266651.

It is an arithmetic number, because the mean of its divisors is an integer number (10436266651).

Almost surely, 2^20872533301 is an apocalyptic number.

It is an amenable number.

20872533301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20872533301 is an equidigital number, since it uses as much as digits as its factorization.

20872533301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 20872533301 in words is "twenty billion, eight hundred seventy-two million, five hundred thirty-three thousand, three hundred one".