20223331310213 has 4 divisors (see below), whose sum is σ = 20223470683788. Its totient is φ = 20223191936640.

The previous prime is 20223331310179. The next prime is 20223331310293. The reversal of 20223331310213 is 31201313332202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10328041230529 + 9895290079684 = 3213727^2 + 3145678^2 .

It is a cyclic number.

It is not a de Polignac number, because 20223331310213 - 2²² = 20223327115909 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 (20223331310293) 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, 69468908 + ... + 69759413.

It is an arithmetic number, because the mean of its divisors is an integer number (5055867670947).

Almost surely, 2^{20223331310213} is an apocalyptic number.

It is an amenable number.

20223331310213 is a deficient number, since it is larger than the sum of its proper divisors (139373575).

20223331310213 is a wasteful number, since it uses less digits than its factorization.

20223331310213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139373574.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20223331310213 its reverse (31201313332202), we get a palindrome (51424644642415).

The spelling of 20223331310213 in words is "twenty trillion, two hundred twenty-three billion, three hundred thirty-one million, three hundred ten thousand, two hundred thirteen".