20154324053 has 2 divisors, whose sum is σ = 20154324054. Its totient is φ = 20154324052.

The previous prime is 20154324019. The next prime is 20154324079. The reversal of 20154324053 is 35042345102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20116599889 + 37724164 = 141833^2 + 6142^2 .

It is a cyclic number.

It is not a de Polignac number, because 20154324053 - 2⁶ = 20154323989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20154321053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10077162026 + 10077162027.

It is an arithmetic number, because the mean of its divisors is an integer number (10077162027).

Almost surely, 2^20154324053 is an apocalyptic number.

It is an amenable number.

20154324053 is a deficient number, since it is larger than the sum of its proper divisors (1).

20154324053 is an equidigital number, since it uses as much as digits as its factorization.

20154324053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 20154324053 its reverse (35042345102), we get a palindrome (55196669155).

The spelling of 20154324053 in words is "twenty billion, one hundred fifty-four million, three hundred twenty-four thousand, fifty-three".