20453413233305 has 48 divisors (see below), whose sum is σ = 27316230535440. Its totient is φ = 14614704599040.

The previous prime is 20453413233301. The next prime is 20453413233329. The reversal of 20453413233305 is 50333231435402.

It can be written as a sum of positive squares in 8 ways, for example, as 3256368220681 + 17197045012624 = 1804541^2 + 4146932^2 .

It is not a de Polignac number, because 20453413233305 - 2² = 20453413233301 is a prime.

It is a super-2 number, since 2×20453413233305² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20453413233301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 520251329 + ... + 520290641.

It is an arithmetic number, because the mean of its divisors is an integer number (569088136155).

Almost surely, 2^{20453413233305} is an apocalyptic number.

It is an amenable number.

20453413233305 is a deficient number, since it is larger than the sum of its proper divisors (6862817302135).

20453413233305 is a wasteful number, since it uses less digits than its factorization.

20453413233305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47722 (or 47691 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 38.

Adding to 20453413233305 its reverse (50333231435402), we get a palindrome (70786644668707).

The spelling of 20453413233305 in words is "twenty trillion, four hundred fifty-three billion, four hundred thirteen million, two hundred thirty-three thousand, three hundred five".