20486752001 has 2 divisors, whose sum is σ = 20486752002. Its totient is φ = 20486752000.

The previous prime is 20486751997. The next prime is 20486752019. The reversal of 20486752001 is 10025768402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10266552976 + 10220199025 = 101324^2 + 101095^2 .

It is a cyclic number.

It is not a de Polignac number, because 20486752001 - 2² = 20486751997 is a prime.

It is not a weakly prime, because it can be changed into another prime (20486752021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10243376000 + 10243376001.

It is an arithmetic number, because the mean of its divisors is an integer number (10243376001).

Almost surely, 2^20486752001 is an apocalyptic number.

It is an amenable number.

20486752001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20486752001 is an equidigital number, since it uses as much as digits as its factorization.

20486752001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 20486752001 in words is "twenty billion, four hundred eighty-six million, seven hundred fifty-two thousand, one".