20053412553 has 8 divisors (see below), whose sum is σ = 26769013600. Its totient is φ = 13353376608.

The previous prime is 20053412531. The next prime is 20053412557. The reversal of 20053412553 is 35521435002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20053412553 - 2¹² = 20053408457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20053412553.

It is not an unprimeable number, because it can be changed into a prime (20053412557) 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 7 ways as a sum of consecutive naturals, for example, 3888268 + ... + 3893421.

It is an arithmetic number, because the mean of its divisors is an integer number (3346126700).

Almost surely, 2^20053412553 is an apocalyptic number.

It is an amenable number.

20053412553 is a deficient number, since it is larger than the sum of its proper divisors (6715601047).

20053412553 is an equidigital number, since it uses as much as digits as its factorization.

20053412553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7782551.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 20053412553 its reverse (35521435002), we get a palindrome (55574847555).

The spelling of 20053412553 in words is "twenty billion, fifty-three million, four hundred twelve thousand, five hundred fifty-three".