20105953252003 has 2 divisors, whose sum is σ = 20105953252004. Its totient is φ = 20105953252002.

The previous prime is 20105953251949. The next prime is 20105953252093. The reversal of 20105953252003 is 30025235950102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20105953252003 - 2¹³ = 20105953243811 is a prime.

It is a super-2 number, since 2×20105953252003² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20105953252093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10052976626001 + 10052976626002.

It is an arithmetic number, because the mean of its divisors is an integer number (10052976626002).

Almost surely, 2^{20105953252003} is an apocalyptic number.

20105953252003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20105953252003 is an equidigital number, since it uses as much as digits as its factorization.

20105953252003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 20105953252003 in words is "twenty trillion, one hundred five billion, nine hundred fifty-three million, two hundred fifty-two thousand, three".