20010860688 has 240 divisors, whose sum is σ = 65115165696. Its totient is φ = 5248696320.

The previous prime is 20010860669. The next prime is 20010860699. The reversal of 20010860688 is 88606801002.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5899473 + ... + 5902863.

Almost surely, 2^20010860688 is an apocalyptic number.

20010860688 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 20010860688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32557582848).

20010860688 is an abundant number, since it is smaller than the sum of its proper divisors (45104305008).

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

20010860688 is a wasteful number, since it uses less digits than its factorization.

20010860688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622 (or 3609 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The spelling of 20010860688 in words is "twenty billion, ten million, eight hundred sixty thousand, six hundred eighty-eight".