20488011712 has 42 divisors (see below), whose sum is σ = 47293603152. Its totient is φ = 8780575104.

The previous prime is 20488011671. The next prime is 20488011743. The reversal of 20488011712 is 21711088402.

It is a super-2 number, since 2×20488011712² (a number of 21 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 3263448 + ... + 3269719.

Almost surely, 2^20488011712 is an apocalyptic number.

It is an amenable number.

20488011712 is an abundant number, since it is smaller than the sum of its proper divisors (26805591440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20488011712 is an equidigital number, since it uses as much as digits as its factorization.

20488011712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6533193 (or 6533176 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 34.

The spelling of 20488011712 in words is "twenty billion, four hundred eighty-eight million, eleven thousand, seven hundred twelve".