20020022012 has 24 divisors (see below), whose sum is σ = 36168417936. Its totient is φ = 9688992768.

The previous prime is 20020021993. The next prime is 20020022051. The reversal of 20020022012 is 21022002002.

It is a junction number, because it is equal to n+sod(n) for n = 20020021984 and 20020022002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321878 + ... + 379005.

It is an arithmetic number, because the mean of its divisors is an integer number (1507017414).

Almost surely, 2^20020022012 is an apocalyptic number.

It is an amenable number.

20020022012 is a deficient number, since it is larger than the sum of its proper divisors (16148395924).

20020022012 is a wasteful number, since it uses less digits than its factorization.

20020022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701117 (or 701115 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20020022012 its reverse (21022002002), we get a palindrome (41042024014).

The spelling of 20020022012 in words is "twenty billion, twenty million, twenty-two thousand, twelve".