2150730020 has 24 divisors (see below), whose sum is σ = 4517473464. Its totient is φ = 860112896.

The previous prime is 2150730019. The next prime is 2150730037. The reversal of 2150730020 is 200370512.

It can be written as a sum of positive squares in 4 ways, for example, as 275493604 + 1875236416 = 16598^2 + 43304^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2150729974 and 2150730001.

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, 131834 + ... + 147246.

It is an arithmetic number, because the mean of its divisors is an integer number (188228061).

Almost surely, 2^2150730020 is an apocalyptic number.

2150730020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2150730020 is an abundant number, since it is smaller than the sum of its proper divisors (2366743444).

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

2150730020 is a wasteful number, since it uses less digits than its factorization.

2150730020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22399 (or 22397 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 2150730020 is about 46375.9638174777. The cubic root of 2150730020 is about 1290.8089431695.

The spelling of 2150730020 in words is "two billion, one hundred fifty million, seven hundred thirty thousand, twenty".