20532454053 has 12 divisors (see below), whose sum is σ = 28353182208. Its totient is φ = 13216290640.

The previous prime is 20532454051. The next prime is 20532454057. The reversal of 20532454053 is 35045423502.

It is a happy number.

It is not a de Polignac number, because 20532454053 - 2¹ = 20532454051 is a prime.

It is a super-2 number, since 2×20532454053² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20532454051) 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 in 11 ways as a sum of consecutive naturals, for example, 4066533 + ... + 4071578.

It is an arithmetic number, because the mean of its divisors is an integer number (2362765184).

Almost surely, 2^20532454053 is an apocalyptic number.

It is an amenable number.

20532454053 is a deficient number, since it is larger than the sum of its proper divisors (7820728155).

20532454053 is an equidigital number, since it uses as much as digits as its factorization.

20532454053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8138172 (or 8138143 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 33.

Adding to 20532454053 its reverse (35045423502), we get a palindrome (55577877555).

The spelling of 20532454053 in words is "twenty billion, five hundred thirty-two million, four hundred fifty-four thousand, fifty-three".