20313120423061 has 16 divisors (see below), whose sum is σ = 20978221547520. Its totient is φ = 19648636478640.

The previous prime is 20313120422983. The next prime is 20313120423077. The reversal of 20313120423061 is 16032402131302.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20313120423061 - 2⁹ = 20313120422549 is a prime.

It is a super-2 number, since 2×20313120423061² (a number of 27 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 (20313120429061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765393130 + ... + 765419668.

It is an arithmetic number, because the mean of its divisors is an integer number (1311138846720).

Almost surely, 2^{20313120423061} is an apocalyptic number.

It is an amenable number.

20313120423061 is a deficient number, since it is larger than the sum of its proper divisors (665101124459).

20313120423061 is a wasteful number, since it uses less digits than its factorization.

20313120423061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37224.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 20313120423061 its reverse (16032402131302), we get a palindrome (36345522554363).

The spelling of 20313120423061 in words is "twenty trillion, three hundred thirteen billion, one hundred twenty million, four hundred twenty-three thousand, sixty-one".