20001100107953 has 2 divisors, whose sum is σ = 20001100107954. Its totient is φ = 20001100107952.

The previous prime is 20001100107929. The next prime is 20001100107971. The reversal of 20001100107953 is 35970100110002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10023764957089 + 9977335150864 = 3166033^2 + 3158692^2 .

It is a cyclic number.

It is not a de Polignac number, because 20001100107953 - 2⁶ = 20001100107889 is a prime.

It is not a weakly prime, because it can be changed into another prime (20001100107983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000550053976 + 10000550053977.

It is an arithmetic number, because the mean of its divisors is an integer number (10000550053977).

Almost surely, 2^{20001100107953} is an apocalyptic number.

It is an amenable number.

20001100107953 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001100107953 is an equidigital number, since it uses as much as digits as its factorization.

20001100107953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 29.

Adding to 20001100107953 its reverse (35970100110002), we get a palindrome (55971200217955).

The spelling of 20001100107953 in words is "twenty trillion, one billion, one hundred million, one hundred seven thousand, nine hundred fifty-three".