2001420219 has 16 divisors (see below), whose sum is σ = 2687807232. Its totient is φ = 1324679328.

The previous prime is 2001420209. The next prime is 2001420221. The reversal of 2001420219 is 9120241002.

It is not a de Polignac number, because 2001420219 - 2⁴ = 2001420203 is a prime.

It is a super-2 number, since 2×2001420219² = 8011365786044015922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2001420195 and 2001420204.

It is not an unprimeable number, because it can be changed into a prime (2001420209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426882 + ... + 431544.

It is an arithmetic number, because the mean of its divisors is an integer number (167987952).

Almost surely, 2^2001420219 is an apocalyptic number.

2001420219 is a deficient number, since it is larger than the sum of its proper divisors (686387013).

2001420219 is a wasteful number, since it uses less digits than its factorization.

2001420219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 2001420219 is about 44737.2352632569. The cubic root of 2001420219 is about 1260.2192066336.

The spelling of 2001420219 in words is "two billion, one million, four hundred twenty thousand, two hundred nineteen".