20313119293 has 8 divisors (see below), whose sum is σ = 20544789816. Its totient is φ = 20082048000.

The previous prime is 20313119219. The next prime is 20313119327. The reversal of 20313119293 is 39291131302.

It can be written as a sum of positive squares in 4 ways, for example, as 5990295609 + 14322823684 = 77397^2 + 119678^2 .

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 20313119293 - 2⁹ = 20313118781 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 (20313119993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81448 + ... + 217393.

It is an arithmetic number, because the mean of its divisors is an integer number (2568098727).

Almost surely, 2^20313119293 is an apocalyptic number.

It is an amenable number.

20313119293 is a deficient number, since it is larger than the sum of its proper divisors (231670523).

20313119293 is a wasteful number, since it uses less digits than its factorization.

20313119293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299615.

The product of its (nonzero) digits is 8748, while the sum is 34.

The spelling of 20313119293 in words is "twenty billion, three hundred thirteen million, one hundred nineteen thousand, two hundred ninety-three".