20026602143 has 2 divisors, whose sum is σ = 20026602144. Its totient is φ = 20026602142.

The previous prime is 20026602139. The next prime is 20026602173. The reversal of 20026602143 is 34120662002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20026602143 - 2² = 20026602139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20026602173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10013301071 + 10013301072.

It is an arithmetic number, because the mean of its divisors is an integer number (10013301072).

Almost surely, 2^20026602143 is an apocalyptic number.

20026602143 is a deficient number, since it is larger than the sum of its proper divisors (1).

20026602143 is an equidigital number, since it uses as much as digits as its factorization.

20026602143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 20026602143 in words is "twenty billion, twenty-six million, six hundred two thousand, one hundred forty-three".