20213130001 has 2 divisors, whose sum is σ = 20213130002. Its totient is φ = 20213130000.

The previous prime is 20213129987. The next prime is 20213130071. The reversal of 20213130001 is 10003131202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20150086401 + 63043600 = 141951^2 + 7940^2 .

It is a cyclic number.

It is not a de Polignac number, because 20213130001 - 2²³ = 20204741393 is a prime.

It is not a weakly prime, because it can be changed into another prime (20213130071) 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, 10106565000 + 10106565001.

It is an arithmetic number, because the mean of its divisors is an integer number (10106565001).

Almost surely, 2^20213130001 is an apocalyptic number.

It is an amenable number.

20213130001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20213130001 is an equidigital number, since it uses as much as digits as its factorization.

20213130001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20213130001 its reverse (10003131202), we get a palindrome (30216261203).

The spelling of 20213130001 in words is "twenty billion, two hundred thirteen million, one hundred thirty thousand, one".