2087505020 has 24 divisors (see below), whose sum is σ = 4384972368. Its totient is φ = 834771200.

The previous prime is 2087504957. The next prime is 2087505041. The reversal of 2087505020 is 205057802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72515 + ... + 97125.

It is an arithmetic number, because the mean of its divisors is an integer number (182707182).

Almost surely, 2^2087505020 is an apocalyptic number.

2087505020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2087505020 is an abundant number, since it is smaller than the sum of its proper divisors (2297467348).

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

2087505020 is a wasteful number, since it uses less digits than its factorization.

2087505020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28861 (or 28859 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2087505020 is about 45689.2221426454. Note that the first 3 decimals coincide. The cubic root of 2087505020 is about 1278.0342997073.

The spelling of 2087505020 in words is "two billion, eighty-seven million, five hundred five thousand, twenty".