20020020021112 has 32 divisors (see below), whose sum is σ = 39745929273120. Its totient is φ = 9421114475520.

The previous prime is 20020020021077. The next prime is 20020020021121. The reversal of 20020020021112 is 21112002002002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20020020021092 and 20020020021101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20307037 + ... + 21270067.

It is an arithmetic number, because the mean of its divisors is an integer number (1242060289785).

Almost surely, 2^{20020020021112} is an apocalyptic number.

It is an amenable number.

20020020021112 is a deficient number, since it is larger than the sum of its proper divisors (19725909252008).

20020020021112 is a wasteful number, since it uses less digits than its factorization.

20020020021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115911 (or 1115907 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20020020021112 its reverse (21112002002002), we get a palindrome (41132022023114).

The spelling of 20020020021112 in words is "twenty trillion, twenty billion, twenty million, twenty-one thousand, one hundred twelve".