20021010112 has 28 divisors (see below), whose sum is σ = 39739997736. Its totient is φ = 10007782400.

The previous prime is 20021010083. The next prime is 20021010137. The reversal of 20021010112 is 21101012002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205848 + ... + 287080.

Almost surely, 2^20021010112 is an apocalyptic number.

It is an amenable number.

20021010112 is a deficient number, since it is larger than the sum of its proper divisors (19718987624).

20021010112 is an equidigital number, since it uses as much as digits as its factorization.

20021010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85096 (or 85086 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20021010112 its reverse (21101012002), we get a palindrome (41122022114).

The spelling of 20021010112 in words is "twenty billion, twenty-one million, ten thousand, one hundred twelve".