2050385520 has 80 divisors (see below), whose sum is σ = 6432838272. Its totient is φ = 540176640.

The previous prime is 2050385483. The next prime is 2050385527. The reversal of 2050385520 is 255830502.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050385527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31546 + ... + 71385.

Almost surely, 2^2050385520 is an apocalyptic number.

2050385520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2050385520 is an abundant number, since it is smaller than the sum of its proper divisors (4382452752).

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

2050385520 is a wasteful number, since it uses less digits than its factorization.

2050385520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103030 (or 103024 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2050385520 is about 45281.1828467411. The cubic root of 2050385520 is about 1270.4137201713.

The spelling of 2050385520 in words is "two billion, fifty million, three hundred eighty-five thousand, five hundred twenty".