20243102471 has 2 divisors, whose sum is σ = 20243102472. Its totient is φ = 20243102470.

The previous prime is 20243102459. The next prime is 20243102489. The reversal of 20243102471 is 17420134202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20243102471 - 2³⁰ = 19169360647 is a prime.

It is a super-3 number, since 3×20243102471³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20243102471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20243102371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10121551235 + 10121551236.

It is an arithmetic number, because the mean of its divisors is an integer number (10121551236).

Almost surely, 2^20243102471 is an apocalyptic number.

20243102471 is a deficient number, since it is larger than the sum of its proper divisors (1).

20243102471 is an equidigital number, since it uses as much as digits as its factorization.

20243102471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 20243102471 its reverse (17420134202), we get a palindrome (37663236673).

The spelling of 20243102471 in words is "twenty billion, two hundred forty-three million, one hundred two thousand, four hundred seventy-one".