2050521500 has 96 divisors (see below), whose sum is σ = 4627633920. Its totient is φ = 793152000.

The previous prime is 2050521469. The next prime is 2050521559. The reversal of 2050521500 is 51250502.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 5013296 + ... + 5013704.

It is an arithmetic number, because the mean of its divisors is an integer number (48204520).

Almost surely, 2^2050521500 is an apocalyptic number.

2050521500 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 2050521500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2313816960).

2050521500 is an abundant number, since it is smaller than the sum of its proper divisors (2577112420).

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

2050521500 is a wasteful number, since it uses less digits than its factorization.

2050521500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 2050521500 is about 45282.6843285599. The cubic root of 2050521500 is about 1270.4418038393.

The spelling of 2050521500 in words is "two billion, fifty million, five hundred twenty-one thousand, five hundred".