20001100349 has 2 divisors, whose sum is σ = 20001100350. Its totient is φ = 20001100348.

The previous prime is 20001100309. The next prime is 20001100363. The reversal of 20001100349 is 94300110002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17944477849 + 2056622500 = 133957^2 + 45350^2 .

It is a cyclic number.

It is not a de Polignac number, because 20001100349 - 2²⁸ = 19732664893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20001100349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20001100309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000550174 + 10000550175.

It is an arithmetic number, because the mean of its divisors is an integer number (10000550175).

Almost surely, 2^20001100349 is an apocalyptic number.

It is an amenable number.

20001100349 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001100349 is an equidigital number, since it uses as much as digits as its factorization.

20001100349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 20001100349 in words is "twenty billion, one million, one hundred thousand, three hundred forty-nine".