2100020219 has 12 divisors (see below), whose sum is σ = 2351846448. Its totient is φ = 1873082640.

The previous prime is 2100020189. The next prime is 2100020227. The reversal of 2100020219 is 9120200012.

It is not a de Polignac number, because 2100020219 - 2⁸ = 2100019963 is a prime.

It is a super-2 number, since 2×2100020219² = 8820169840417615922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100020197 and 2100020206.

It is not an unprimeable number, because it can be changed into a prime (2100020119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157319 + ... + 170144.

It is an arithmetic number, because the mean of its divisors is an integer number (195987204).

Almost surely, 2^2100020219 is an apocalyptic number.

2100020219 is a deficient number, since it is larger than the sum of its proper divisors (251826229).

2100020219 is a wasteful number, since it uses less digits than its factorization.

2100020219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327538 (or 327527 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2100020219 is about 45825.9775564035. The cubic root of 2100020219 is about 1280.5832748204.

The spelling of 2100020219 in words is "two billion, one hundred million, twenty thousand, two hundred nineteen".