20243002293 has 6 divisors (see below), whose sum is σ = 29239892214. Its totient is φ = 13495334856.

The previous prime is 20243002289. The next prime is 20243002333. The reversal of 20243002293 is 39220034202.

20243002293 is a `hidden beast` number, since 2 + 0 + 2 + 430 + 0 + 229 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13929428529 + 6313573764 = 118023^2 + 79458^2 .

It is not a de Polignac number, because 20243002293 - 2² = 20243002289 is a prime.

It is a super-3 number, since 3×20243002293³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243002223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1124611230 + ... + 1124611247.

It is an arithmetic number, because the mean of its divisors is an integer number (4873315369).

Almost surely, 2^20243002293 is an apocalyptic number.

It is an amenable number.

20243002293 is a deficient number, since it is larger than the sum of its proper divisors (8996889921).

20243002293 is a wasteful number, since it uses less digits than its factorization.

20243002293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249222483 (or 2249222480 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 20243002293 its reverse (39220034202), we get a palindrome (59463036495).

The spelling of 20243002293 in words is "twenty billion, two hundred forty-three million, two thousand, two hundred ninety-three".