20600764800 has 1152 divisors, whose sum is σ = 90428140800. Its totient is φ = 3999744000.

The previous prime is 20600764759. The next prime is 20600764817. The reversal of 20600764800 is 846700602.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 664540785 + ... + 664540815.

It is an arithmetic number, because the mean of its divisors is an integer number (78496650).

Almost surely, 2^20600764800 is an apocalyptic number.

20600764800 is a gapful number since it is divisible by the number (20) 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 20600764800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45214070400).

20600764800 is an abundant number, since it is smaller than the sum of its proper divisors (69827376000).

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

20600764800 is a wasteful number, since it uses less digits than its factorization.

20600764800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 20600764800 in words is "twenty billion, six hundred million, seven hundred sixty-four thousand, eight hundred".