20024224169 has 2 divisors, whose sum is σ = 20024224170. Its totient is φ = 20024224168.

The previous prime is 20024224093. The next prime is 20024224249. The reversal of 20024224169 is 96142242002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12038478400 + 7985745769 = 109720^2 + 89363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20024224169 is a prime.

It is a super-2 number, since 2×20024224169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20024221169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10012112084 + 10012112085.

It is an arithmetic number, because the mean of its divisors is an integer number (10012112085).

Almost surely, 2^20024224169 is an apocalyptic number.

It is an amenable number.

20024224169 is a deficient number, since it is larger than the sum of its proper divisors (1).

20024224169 is an equidigital number, since it uses as much as digits as its factorization.

20024224169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 20024224169 in words is "twenty billion, twenty-four million, two hundred twenty-four thousand, one hundred sixty-nine".