20379101213 has 2 divisors, whose sum is σ = 20379101214. Its totient is φ = 20379101212.

The previous prime is 20379101201. The next prime is 20379101233. The reversal of 20379101213 is 31210197302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11062411684 + 9316689529 = 105178^2 + 96523^2 .

It is a cyclic number.

It is not a de Polignac number, because 20379101213 - 2⁸ = 20379100957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20379101233) 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, 10189550606 + 10189550607.

It is an arithmetic number, because the mean of its divisors is an integer number (10189550607).

Almost surely, 2^20379101213 is an apocalyptic number.

It is an amenable number.

20379101213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20379101213 is an equidigital number, since it uses as much as digits as its factorization.

20379101213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

Adding to 20379101213 its reverse (31210197302), we get a palindrome (51589298515).

The spelling of 20379101213 in words is "twenty billion, three hundred seventy-nine million, one hundred one thousand, two hundred thirteen".