20403333243112 has 16 divisors (see below), whose sum is σ = 38260015732800. Its totient is φ = 10200662381040.

The previous prime is 20403333243071. The next prime is 20403333243151. The reversal of 20403333243112 is 21134233330402.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125443714 + ... + 125606257.

It is an arithmetic number, because the mean of its divisors is an integer number (2391250983300).

Almost surely, 2^{20403333243112} is an apocalyptic number.

It is an amenable number.

20403333243112 is a deficient number, since it is larger than the sum of its proper divisors (17856682489688).

20403333243112 is a wasteful number, since it uses less digits than its factorization.

20403333243112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251060136 (or 251060132 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 20403333243112 its reverse (21134233330402), we get a palindrome (41537566573514).

The spelling of 20403333243112 in words is "twenty trillion, four hundred three billion, three hundred thirty-three million, two hundred forty-three thousand, one hundred twelve".