20107885093 has 2 divisors, whose sum is σ = 20107885094. Its totient is φ = 20107885092.

The previous prime is 20107885087. The next prime is 20107885097. The reversal of 20107885093 is 39058870102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18649179844 + 1458705249 = 136562^2 + 38193^2 .

It is a cyclic number.

It is not a de Polignac number, because 20107885093 - 2⁹ = 20107884581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20107885097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10053942546 + 10053942547.

It is an arithmetic number, because the mean of its divisors is an integer number (10053942547).

Almost surely, 2^20107885093 is an apocalyptic number.

It is an amenable number.

20107885093 is a deficient number, since it is larger than the sum of its proper divisors (1).

20107885093 is an equidigital number, since it uses as much as digits as its factorization.

20107885093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 20107885093 in words is "twenty billion, one hundred seven million, eight hundred eighty-five thousand, ninety-three".