2100650220 has 96 divisors (see below), whose sum is σ = 6919819200. Its totient is φ = 527219712.

The previous prime is 2100650213. The next prime is 2100650239. The reversal of 2100650220 is 220560012.

2100650220 is a `hidden beast` number, since 2 + 10 + 0 + 650 + 2 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2100650193 and 2100650202.

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, 105235 + ... + 123594.

It is an arithmetic number, because the mean of its divisors is an integer number (72081450).

Almost surely, 2^2100650220 is an apocalyptic number.

2100650220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100650220 is an abundant number, since it is smaller than the sum of its proper divisors (4819168980).

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

2100650220 is a wasteful number, since it uses less digits than its factorization.

2100650220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228864 (or 228856 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2100650220 is about 45832.8508823093. The cubic root of 2100650220 is about 1280.7113193147.

The spelling of 2100650220 in words is "two billion, one hundred million, six hundred fifty thousand, two hundred twenty".