20023030012 has 6 divisors (see below), whose sum is σ = 35040302528. Its totient is φ = 10011515004.

The previous prime is 20023030009. The next prime is 20023030021. The reversal of 20023030012 is 21003032002.

It is a happy number.

It is a super-2 number, since 2×20023030012² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20023029974 and 20023030001.

It is a congruent 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 as a sum of consecutive naturals, namely, 2502878748 + ... + 2502878755.

Almost surely, 2^20023030012 is an apocalyptic number.

It is an amenable number.

20023030012 is a deficient number, since it is larger than the sum of its proper divisors (15017272516).

20023030012 is a wasteful number, since it uses less digits than its factorization.

20023030012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005757507 (or 5005757505 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20023030012 its reverse (21003032002), we get a palindrome (41026062014).

The spelling of 20023030012 in words is "twenty billion, twenty-three million, thirty thousand, twelve".