20311000220213 has 8 divisors (see below), whose sum is σ = 20327482832160. Its totient is φ = 20294523956880.

The previous prime is 20311000220141. The next prime is 20311000220243. The reversal of 20311000220213 is 31202200011302.

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

It is a cyclic number.

It is not a de Polignac number, because 20311000220213 - 2²² = 20310996025909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20311000220191 and 20311000220200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20311000220243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4824503 + ... + 7993611.

It is an arithmetic number, because the mean of its divisors is an integer number (2540935354020).

Almost surely, 2^{20311000220213} is an apocalyptic number.

It is an amenable number.

20311000220213 is a deficient number, since it is larger than the sum of its proper divisors (16482611947).

20311000220213 is a wasteful number, since it uses less digits than its factorization.

20311000220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174307.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20311000220213 its reverse (31202200011302), we get a palindrome (51513200231515).

The spelling of 20311000220213 in words is "twenty trillion, three hundred eleven billion, two hundred twenty thousand, two hundred thirteen".