20068804480 has 64 divisors (see below), whose sum is σ = 48997846080. Its totient is φ = 7856711680.

The previous prime is 20068804471. The next prime is 20068804493. The reversal of 20068804480 is 8440886002.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303511 + ... + 363670.

It is an arithmetic number, because the mean of its divisors is an integer number (765591345).

Almost surely, 2^20068804480 is an apocalyptic number.

20068804480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20068804480 is an abundant number, since it is smaller than the sum of its proper divisors (28929041600).

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

20068804480 is an equidigital number, since it uses as much as digits as its factorization.

20068804480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667247 (or 667235 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The spelling of 20068804480 in words is "twenty billion, sixty-eight million, eight hundred four thousand, four hundred eighty".