20000755291040 has 96 divisors (see below), whose sum is σ = 50055015757824. Its totient is φ = 7526127063040.

The previous prime is 20000755291039. The next prime is 20000755291123. The reversal of 20000755291040 is 4019255700002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4000277 + ... + 7483563.

It is an arithmetic number, because the mean of its divisors is an integer number (521406414144).

Almost surely, 2^{20000755291040} is an apocalyptic number.

20000755291040 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 20000755291040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25027507878912).

20000755291040 is an abundant number, since it is smaller than the sum of its proper divisors (30054260466784).

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

20000755291040 is a wasteful number, since it uses less digits than its factorization.

20000755291040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485430 (or 3485422 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 20000755291040 in words is "twenty trillion, seven hundred fifty-five million, two hundred ninety-one thousand, forty".