2108575220 has 24 divisors (see below), whose sum is σ = 4460334984. Its totient is φ = 837272576.

The previous prime is 2108575193. The next prime is 2108575237. The reversal of 2108575220 is 225758012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 698122084 + 1410453136 = 26422^2 + 37556^2 .

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, 382037 + ... + 387516.

It is an arithmetic number, because the mean of its divisors is an integer number (185847291).

Almost surely, 2^2108575220 is an apocalyptic number.

2108575220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2108575220 is an abundant number, since it is smaller than the sum of its proper divisors (2351759764).

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

2108575220 is a wasteful number, since it uses less digits than its factorization.

2108575220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769699 (or 769697 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 2108575220 is about 45919.2249499052. The cubic root of 2108575220 is about 1282.3198530512.

The spelling of 2108575220 in words is "two billion, one hundred eight million, five hundred seventy-five thousand, two hundred twenty".