20423303044112 has 10 divisors (see below), whose sum is σ = 39570149647998. Its totient is φ = 10211651522048.

The previous prime is 20423303044091. The next prime is 20423303044139. The reversal of 20423303044112 is 21144030332402.

It can be written as a sum of positive squares in only one way, i.e., 18116804755456 + 2306498288656 = 4256384^2 + 1518716^2 .

It is a super-2 number, since 2×20423303044112² (a number of 27 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 638228220113 + ... + 638228220144.

Almost surely, 2^{20423303044112} is an apocalyptic number.

It is an amenable number.

20423303044112 is a deficient number, since it is larger than the sum of its proper divisors (19146846603886).

20423303044112 is a wasteful number, since it uses less digits than its factorization.

20423303044112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276456440265 (or 1276456440259 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 20423303044112 its reverse (21144030332402), we get a palindrome (41567333376514).

The spelling of 20423303044112 in words is "twenty trillion, four hundred twenty-three billion, three hundred three million, forty-four thousand, one hundred twelve".