20112003293 has 2 divisors, whose sum is σ = 20112003294. Its totient is φ = 20112003292.

The previous prime is 20112003287. The next prime is 20112003313. The reversal of 20112003293 is 39230021102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20108090809 + 3912484 = 141803^2 + 1978^2 .

It is a cyclic number.

It is not a de Polignac number, because 20112003293 - 2⁴ = 20112003277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20112003203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056001646 + 10056001647.

It is an arithmetic number, because the mean of its divisors is an integer number (10056001647).

Almost surely, 2^20112003293 is an apocalyptic number.

It is an amenable number.

20112003293 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112003293 is an equidigital number, since it uses as much as digits as its factorization.

20112003293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 20112003293 its reverse (39230021102), we get a palindrome (59342024395).

The spelling of 20112003293 in words is "twenty billion, one hundred twelve million, three thousand, two hundred ninety-three".