20313443436213 has 16 divisors (see below), whose sum is σ = 27337952272896. Its totient is φ = 13415617278960.

The previous prime is 20313443436211. The next prime is 20313443436277. The reversal of 20313443436213 is 31263434431302.

It is a happy number.

It is not a de Polignac number, because 20313443436213 - 2¹ = 20313443436211 is a prime.

It is a super-4 number, since 4×20313443436213⁴ (a number of 54 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313443436211) 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 15 ways as a sum of consecutive naturals, for example, 54539448 + ... + 54910638.

It is an arithmetic number, because the mean of its divisors is an integer number (1708622017056).

Almost surely, 2^{20313443436213} is an apocalyptic number.

It is an amenable number.

20313443436213 is a deficient number, since it is larger than the sum of its proper divisors (7024508836683).

20313443436213 is a wasteful number, since it uses less digits than its factorization.

20313443436213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541784.

The product of its (nonzero) digits is 373248, while the sum is 39.

Adding to 20313443436213 its reverse (31263434431302), we get a palindrome (51576877867515).

The spelling of 20313443436213 in words is "twenty trillion, three hundred thirteen billion, four hundred forty-three million, four hundred thirty-six thousand, two hundred thirteen".