20023335412 has 12 divisors (see below), whose sum is σ = 35050876000. Its totient is φ = 10008799416.

The previous prime is 20023335407. The next prime is 20023335419. The reversal of 20023335412 is 21453332002.

It is a super-2 number, since 2×20023335412² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023335419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701328 + ... + 729319.

Almost surely, 2^20023335412 is an apocalyptic number.

It is an amenable number.

20023335412 is a deficient number, since it is larger than the sum of its proper divisors (15027540588).

20023335412 is a wasteful number, since it uses less digits than its factorization.

20023335412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434150 (or 1434148 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 20023335412 its reverse (21453332002), we get a palindrome (41476667414).

The spelling of 20023335412 in words is "twenty billion, twenty-three million, three hundred thirty-five thousand, four hundred twelve".