20068819008 has 112 divisors (see below), whose sum is σ = 63878277120. Its totient is φ = 5432154624.

The previous prime is 20068818997. The next prime is 20068819021. The reversal of 20068819008 is 80091886002.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367416 + ... + 418487.

It is an arithmetic number, because the mean of its divisors is an integer number (570341760).

Almost surely, 2^20068819008 is an apocalyptic number.

20068819008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20068819008 is an abundant number, since it is smaller than the sum of its proper divisors (43809458112).

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

20068819008 is a wasteful number, since it uses less digits than its factorization.

20068819008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785944 (or 785934 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The spelling of 20068819008 in words is "twenty billion, sixty-eight million, eight hundred nineteen thousand, eight".