10420311020213 has 4 divisors (see below), whose sum is σ = 10420321031628. Its totient is φ = 10420301008800.

The previous prime is 10420311020191. The next prime is 10420311020221. The reversal of 10420311020213 is 31202011302401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4765916877604 + 5654394142609 = 2183098^2 + 2377897^2 .

It is a cyclic number.

It is not a de Polignac number, because 10420311020213 - 2²⁴ = 10420294242997 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 (10420311020293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3235856 + ... + 5595657.

It is an arithmetic number, because the mean of its divisors is an integer number (2605080257907).

Almost surely, 2^{10420311020213} is an apocalyptic number.

It is an amenable number.

10420311020213 is a deficient number, since it is larger than the sum of its proper divisors (10011415).

10420311020213 is an equidigital number, since it uses as much as digits as its factorization.

10420311020213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011414.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10420311020213 its reverse (31202011302401), we get a palindrome (41622322322614).

The spelling of 10420311020213 in words is "ten trillion, four hundred twenty billion, three hundred eleven million, twenty thousand, two hundred thirteen".