20253320234053 has 4 divisors (see below), whose sum is σ = 21133899374688. Its totient is φ = 19372741093420.

The previous prime is 20253320234023. The next prime is 20253320234107. The reversal of 20253320234053 is 35043202335202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20253320234053 - 2⁹ = 20253320233541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20253320234023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440289570283 + ... + 440289570328.

It is an arithmetic number, because the mean of its divisors is an integer number (5283474843672).

Almost surely, 2^{20253320234053} is an apocalyptic number.

20253320234053 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20253320234053 is a deficient number, since it is larger than the sum of its proper divisors (880579140635).

20253320234053 is an equidigital number, since it uses as much as digits as its factorization.

20253320234053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880579140634.

The product of its (nonzero) digits is 129600, while the sum is 34.

Adding to 20253320234053 its reverse (35043202335202), we get a palindrome (55296522569255).

The spelling of 20253320234053 in words is "twenty trillion, two hundred fifty-three billion, three hundred twenty million, two hundred thirty-four thousand, fifty-three".