20416765068 has 120 divisors (see below), whose sum is σ = 61051082400. Its totient is φ = 5828308992.

The previous prime is 20416765037. The next prime is 20416765091. The reversal of 20416765068 is 86056761402.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3192418 + ... + 3198806.

It is an arithmetic number, because the mean of its divisors is an integer number (508759020).

Almost surely, 2^20416765068 is an apocalyptic number.

20416765068 is a gapful number since it is divisible by the number (28) 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 20416765068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30525541200).

20416765068 is an abundant number, since it is smaller than the sum of its proper divisors (40634317332).

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

20416765068 is a wasteful number, since it uses less digits than its factorization.

20416765068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7821 (or 7810 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 20416765068 in words is "twenty billion, four hundred sixteen million, seven hundred sixty-five thousand, sixty-eight".