16020442512 has 90 divisors (see below), whose sum is σ = 45092670246. Its totient is φ = 5309533440.

The previous prime is 16020442511. The next prime is 16020442583. The reversal of 16020442512 is 21524402061.

16020442512 is a `hidden beast` number, since 1 + 602 + 0 + 4 + 4 + 2 + 51 + 2 = 666.

16020442512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11619977616 + 4400464896 = 107796^2 + 66336^2 .

It is not an unprimeable number, because it can be changed into a prime (16020442511) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 23184087 + ... + 23184777.

Almost surely, 2^16020442512 is an apocalyptic number.

16020442512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16020442512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22546335123).

16020442512 is an abundant number, since it is smaller than the sum of its proper divisors (29072227734).

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

16020442512 is an equidigital number, since it uses as much as digits as its factorization.

16020442512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 16020442512 its reverse (21524402061), we get a palindrome (37544844573).

The spelling of 16020442512 in words is "sixteen billion, twenty million, four hundred forty-two thousand, five hundred twelve".