20123310330292 has 48 divisors (see below), whose sum is σ = 40156104521232. Its totient is φ = 8741230018560.

The previous prime is 20123310330283. The next prime is 20123310330329. The reversal of 20123310330292 is 29203301332102.

It can be written as a sum of positive squares in 8 ways, for example, as 174902949796 + 19948407380496 = 418214^2 + 4466364^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112993188 + ... + 113171140.

It is an arithmetic number, because the mean of its divisors is an integer number (836585510859).

Almost surely, 2^{20123310330292} is an apocalyptic number.

It is an amenable number.

20123310330292 is a deficient number, since it is larger than the sum of its proper divisors (20032794190940).

20123310330292 is a wasteful number, since it uses less digits than its factorization.

20123310330292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305908 (or 305906 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 31.

Adding to 20123310330292 its reverse (29203301332102), we get a palindrome (49326611662394).

The spelling of 20123310330292 in words is "twenty trillion, one hundred twenty-three billion, three hundred ten million, three hundred thirty thousand, two hundred ninety-two".