2150220764500 has 96 divisors (see below), whose sum is σ = 4809382905600. Its totient is φ = 839577200000.

The previous prime is 2150220764479. The next prime is 2150220764513. The reversal of 2150220764500 is 54670220512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3285651 + ... + 3885349.

It is an arithmetic number, because the mean of its divisors is an integer number (50097738600).

Almost surely, 2^{2150220764500} is an apocalyptic number.

2150220764500 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 2150220764500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2404691452800).

2150220764500 is an abundant number, since it is smaller than the sum of its proper divisors (2659162141100).

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

2150220764500 is a wasteful number, since it uses less digits than its factorization.

2150220764500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599890 (or 599878 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 2150220764500 in words is "two trillion, one hundred fifty billion, two hundred twenty million, seven hundred sixty-four thousand, five hundred".