20314042213 has 4 divisors (see below), whose sum is σ = 20314759500. Its totient is φ = 20313324928.

The previous prime is 20314042201. The next prime is 20314042283. The reversal of 20314042213 is 31224041302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31224041302 = 2 ⋅15612020651.

It can be written as a sum of positive squares in 2 ways, for example, as 1571884609 + 18742157604 = 39647^2 + 136902^2 .

It is a cyclic number.

It is not a de Polignac number, because 20314042213 - 2⁵ = 20314042181 is a prime.

It is a super-2 number, since 2×20314042213² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20314042283) 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, 314338 + ... + 373411.

It is an arithmetic number, because the mean of its divisors is an integer number (5078689875).

Almost surely, 2^20314042213 is an apocalyptic number.

It is an amenable number.

20314042213 is a deficient number, since it is larger than the sum of its proper divisors (717287).

20314042213 is an equidigital number, since it uses as much as digits as its factorization.

20314042213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717286.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20314042213 its reverse (31224041302), we get a palindrome (51538083515).

The spelling of 20314042213 in words is "twenty billion, three hundred fourteen million, forty-two thousand, two hundred thirteen".