20044765143000 has 512 divisors, whose sum is σ = 74908423699200. Its totient is φ = 4929175296000.

The previous prime is 20044765142989. The next prime is 20044765143017. The reversal of 20044765143000 is 34156744002.

20044765143000 is a `hidden beast` number, since 2 + 0 + 0 + 44 + 76 + 514 + 30 + 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 127 ways as a sum of consecutive naturals, for example, 358343034 + ... + 358398966.

Almost surely, 2^{20044765143000} is an apocalyptic number.

20044765143000 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 20044765143000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37454211849600).

20044765143000 is an abundant number, since it is smaller than the sum of its proper divisors (54863658556200).

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

20044765143000 is a wasteful number, since it uses less digits than its factorization.

20044765143000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56997 (or 56977 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 20044765143000 in words is "twenty trillion, forty-four billion, seven hundred sixty-five million, one hundred forty-three thousand".