20016484488 has 864 divisors, whose sum is σ = 79895350080. Its totient is φ = 4371148800.

The previous prime is 20016484463. The next prime is 20016484489. The reversal of 20016484488 is 88448461002.

20016484488 is a `hidden beast` number, since 2 + 0 + 0 + 164 + 8 + 4 + 488 = 666.

It is not an unprimeable number, because it can be changed into a prime (20016484489) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 645693033 + ... + 645693063.

It is an arithmetic number, because the mean of its divisors is an integer number (92471470).

Almost surely, 2^20016484488 is an apocalyptic number.

20016484488 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 20016484488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39947675040).

20016484488 is an abundant number, since it is smaller than the sum of its proper divisors (59878865592).

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

20016484488 is a wasteful number, since it uses less digits than its factorization.

20016484488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 45.

The spelling of 20016484488 in words is "twenty billion, sixteen million, four hundred eighty-four thousand, four hundred eighty-eight".