20143616000 has 104 divisors (see below), whose sum is σ = 50273605824. Its totient is φ = 8057241600.

The previous prime is 20143615981. The next prime is 20143616011. The reversal of 20143616000 is 61634102.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492329 + ... + 531671.

It is an arithmetic number, because the mean of its divisors is an integer number (483400056).

Almost surely, 2^20143616000 is an apocalyptic number.

20143616000 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 20143616000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25136802912).

20143616000 is an abundant number, since it is smaller than the sum of its proper divisors (30129989824).

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

20143616000 is an frugal number, since it uses more digits than its factorization.

20143616000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39382 (or 39350 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 20143616000 in words is "twenty billion, one hundred forty-three million, six hundred sixteen thousand".