20143003775000 has 576 divisors, whose sum is σ = 52380537118560. Its totient is φ = 7253043200000.

The previous prime is 20143003774987. The next prime is 20143003775009. The reversal of 20143003775000 is 57730034102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20143003775009) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 15699924359 + ... + 15699925641.

Almost surely, 2^{20143003775000} is an apocalyptic number.

20143003775000 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 20143003775000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26190268559280).

20143003775000 is an abundant number, since it is smaller than the sum of its proper divisors (32237533343560).

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

20143003775000 is a wasteful number, since it uses less digits than its factorization.

20143003775000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442 (or 1401 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The spelling of 20143003775000 in words is "twenty trillion, one hundred forty-three billion, three million, seven hundred seventy-five thousand".