20072388356869 has 2 divisors, whose sum is σ = 20072388356870. Its totient is φ = 20072388356868.

The previous prime is 20072388356863. The next prime is 20072388356887. The reversal of 20072388356869 is 96865388327002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16018709466244 + 4053678890625 = 4002338^2 + 2013375^2 .

It is a cyclic number.

It is not a de Polignac number, because 20072388356869 - 2⁵ = 20072388356837 is a prime.

It is a super-2 number, since 2×20072388356869² (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 (20072388356863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10036194178434 + 10036194178435.

It is an arithmetic number, because the mean of its divisors is an integer number (10036194178435).

Almost surely, 2^{20072388356869} is an apocalyptic number.

It is an amenable number.

20072388356869 is a deficient number, since it is larger than the sum of its proper divisors (1).

20072388356869 is an equidigital number, since it uses as much as digits as its factorization.

20072388356869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209018880, while the sum is 67.

The spelling of 20072388356869 in words is "twenty trillion, seventy-two billion, three hundred eighty-eight million, three hundred fifty-six thousand, eight hundred sixty-nine".