20130402232069 has 2 divisors, whose sum is σ = 20130402232070. Its totient is φ = 20130402232068.

The previous prime is 20130402232063. The next prime is 20130402232147. The reversal of 20130402232069 is 96023220403102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14822792601444 + 5307609630625 = 3850038^2 + 2303825^2 .

It is a cyclic number.

It is not a de Polignac number, because 20130402232069 - 2⁹ = 20130402231557 is a prime.

It is a super-2 number, since 2×20130402232069² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20130402232063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065201116034 + 10065201116035.

It is an arithmetic number, because the mean of its divisors is an integer number (10065201116035).

Almost surely, 2^{20130402232069} is an apocalyptic number.

It is an amenable number.

20130402232069 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130402232069 is an equidigital number, since it uses as much as digits as its factorization.

20130402232069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 20130402232069 in words is "twenty trillion, one hundred thirty billion, four hundred two million, two hundred thirty-two thousand, sixty-nine".