20370003601 has 2 divisors, whose sum is σ = 20370003602. Its totient is φ = 20370003600.

The previous prime is 20370003587. The next prime is 20370003697. The reversal of 20370003601 is 10630007302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20329056400 + 40947201 = 142580^2 + 6399^2 .

It is a cyclic number.

It is not a de Polignac number, because 20370003601 - 2¹⁵ = 20369970833 is a prime.

It is not a weakly prime, because it can be changed into another prime (20370004601) 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, 10185001800 + 10185001801.

It is an arithmetic number, because the mean of its divisors is an integer number (10185001801).

Almost surely, 2^20370003601 is an apocalyptic number.

It is an amenable number.

20370003601 is a deficient number, since it is larger than the sum of its proper divisors (1).

20370003601 is an equidigital number, since it uses as much as digits as its factorization.

20370003601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The spelling of 20370003601 in words is "twenty billion, three hundred seventy million, three thousand, six hundred one".