20386944000 has 704 divisors, whose sum is σ = 80011825920. Its totient is φ = 5101977600.

The previous prime is 20386943999. The next prime is 20386944023. The reversal of 20386944000 is 44968302.

It is a happy number.

20386944000 is a `hidden beast` number, since 203 + 8 + 6 + 9 + 440 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58751827 + ... + 58752173.

Almost surely, 2^20386944000 is an apocalyptic number.

20386944000 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 20386944000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40005912960).

20386944000 is an abundant number, since it is smaller than the sum of its proper divisors (59624881920).

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

20386944000 is a wasteful number, since it uses less digits than its factorization.

20386944000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 20386944000 in words is "twenty billion, three hundred eighty-six million, nine hundred forty-four thousand".