20224606439 has 2 divisors, whose sum is σ = 20224606440. Its totient is φ = 20224606438.

The previous prime is 20224606397. The next prime is 20224606477. The reversal of 20224606439 is 93460642202.

It is an a-pointer prime, because the next prime (20224606477) can be obtained adding 20224606439 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20224606439 - 2²⁰ = 20223557863 is a prime.

It is a super-2 number, since 2×20224606439² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20224609439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10112303219 + 10112303220.

It is an arithmetic number, because the mean of its divisors is an integer number (10112303220).

Almost surely, 2^20224606439 is an apocalyptic number.

20224606439 is a deficient number, since it is larger than the sum of its proper divisors (1).

20224606439 is an equidigital number, since it uses as much as digits as its factorization.

20224606439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 20224606439 in words is "twenty billion, two hundred twenty-four million, six hundred six thousand, four hundred thirty-nine".