20413403093 has 2 divisors, whose sum is σ = 20413403094. Its totient is φ = 20413403092.

The previous prime is 20413403081. The next prime is 20413403117. The reversal of 20413403093 is 39030431402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20412694129 + 708964 = 142873^2 + 842^2 .

It is a cyclic number.

It is not a de Polignac number, because 20413403093 - 2¹² = 20413398997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20413403393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206701546 + 10206701547.

It is an arithmetic number, because the mean of its divisors is an integer number (10206701547).

Almost surely, 2^20413403093 is an apocalyptic number.

It is an amenable number.

20413403093 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413403093 is an equidigital number, since it uses as much as digits as its factorization.

20413403093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 20413403093 its reverse (39030431402), we get a palindrome (59443834495).

The spelling of 20413403093 in words is "twenty billion, four hundred thirteen million, four hundred three thousand, ninety-three".