20051158773000 has 512 divisors, whose sum is σ = 64677045888000. Its totient is φ = 5168618496000.

The previous prime is 20051158772999. The next prime is 20051158773029. The reversal of 20051158773000 is 37785115002.

It is a self number, because there is not a number n which added to its sum of digits gives 20051158773000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7168807602 + ... + 7168810398.

It is an arithmetic number, because the mean of its divisors is an integer number (126322355250).

Almost surely, 2^{20051158773000} is an apocalyptic number.

20051158773000 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 20051158773000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32338522944000).

20051158773000 is an abundant number, since it is smaller than the sum of its proper divisors (44625887115000).

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

20051158773000 is a wasteful number, since it uses less digits than its factorization.

20051158773000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378 (or 3364 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 39.

The spelling of 20051158773000 in words is "twenty trillion, fifty-one billion, one hundred fifty-eight million, seven hundred seventy-three thousand".