20024213357 has 2 divisors, whose sum is σ = 20024213358. Its totient is φ = 20024213356.

The previous prime is 20024213309. The next prime is 20024213359. The reversal of 20024213357 is 75331242002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19877052196 + 147161161 = 140986^2 + 12131^2 .

It is a cyclic number.

It is not a de Polignac number, because 20024213357 - 2⁸ = 20024213101 is a prime.

Together with 20024213359, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20024213359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10012106678 + 10012106679.

It is an arithmetic number, because the mean of its divisors is an integer number (10012106679).

Almost surely, 2^20024213357 is an apocalyptic number.

It is an amenable number.

20024213357 is a deficient number, since it is larger than the sum of its proper divisors (1).

20024213357 is an equidigital number, since it uses as much as digits as its factorization.

20024213357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

Adding to 20024213357 its reverse (75331242002), we get a palindrome (95355455359).

The spelling of 20024213357 in words is "twenty billion, twenty-four million, two hundred thirteen thousand, three hundred fifty-seven".