20224240453 has 2 divisors, whose sum is σ = 20224240454. Its totient is φ = 20224240452.

The previous prime is 20224240339. The next prime is 20224240489. The reversal of 20224240453 is 35404242202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17292776004 + 2931464449 = 131502^2 + 54143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20224240453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20224240493) 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, 10112120226 + 10112120227.

It is an arithmetic number, because the mean of its divisors is an integer number (10112120227).

Almost surely, 2^20224240453 is an apocalyptic number.

It is an amenable number.

20224240453 is a deficient number, since it is larger than the sum of its proper divisors (1).

20224240453 is an equidigital number, since it uses as much as digits as its factorization.

20224240453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 20224240453 its reverse (35404242202), we get a palindrome (55628482655).

The spelling of 20224240453 in words is "twenty billion, two hundred twenty-four million, two hundred forty thousand, four hundred fifty-three".