20344555153252 has 24 divisors (see below), whose sum is σ = 38885898098880. Its totient is φ = 9236502972960.

The previous prime is 20344555153213. The next prime is 20344555153253. The reversal of 20344555153252 is 25235155544302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20344555153253) 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 7 ways as a sum of consecutive naturals, for example, 275515083 + ... + 275588914.

It is an arithmetic number, because the mean of its divisors is an integer number (1620245754120).

Almost surely, 2^{20344555153252} is an apocalyptic number.

20344555153252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20344555153252 is a deficient number, since it is larger than the sum of its proper divisors (18541342945628).

20344555153252 is a wasteful number, since it uses less digits than its factorization.

20344555153252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551104851 (or 551104849 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 46.

The spelling of 20344555153252 in words is "twenty trillion, three hundred forty-four billion, five hundred fifty-five million, one hundred fifty-three thousand, two hundred fifty-two".