20152053121 has 2 divisors, whose sum is σ = 20152053122. Its totient is φ = 20152053120.

The previous prime is 20152053109. The next prime is 20152053127. The reversal of 20152053121 is 12135025102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20145828096 + 6225025 = 141936^2 + 2495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20152053121 is a prime.

It is a super-2 number, since 2×20152053121² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20152053092 and 20152053101.

It is not a weakly prime, because it can be changed into another prime (20152053127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10076026560 + 10076026561.

It is an arithmetic number, because the mean of its divisors is an integer number (10076026561).

Almost surely, 2^20152053121 is an apocalyptic number.

It is an amenable number.

20152053121 is a deficient number, since it is larger than the sum of its proper divisors (1).

20152053121 is an equidigital number, since it uses as much as digits as its factorization.

20152053121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 20152053121 its reverse (12135025102), we get a palindrome (32287078223).

The spelling of 20152053121 in words is "twenty billion, one hundred fifty-two million, fifty-three thousand, one hundred twenty-one".