201022019 has 12 divisors (see below), whose sum is σ = 221381160. Its totient is φ = 182397600.

The previous prime is 201022013. The next prime is 201022037. The reversal of 201022019 is 910220102.

It is not a de Polignac number, because 201022019 - 2²⁴ = 184244803 is a prime.

It is a super-2 number, since 2×201022019² = 80819704245672722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201021988 and 201022006.

It is not an unprimeable number, because it can be changed into a prime (201022013) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 78479 + ... + 80999.

It is an arithmetic number, because the mean of its divisors is an integer number (18448430).

Almost surely, 2^201022019 is an apocalyptic number.

201022019 is a deficient number, since it is larger than the sum of its proper divisors (20359141).

201022019 is a wasteful number, since it uses less digits than its factorization.

201022019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202 (or 3191 counting only the distinct ones).

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

The square root of 201022019 is about 14178.2234077475. The cubic root of 201022019 is about 585.7979895586.

The spelling of 201022019 in words is "two hundred one million, twenty-two thousand, nineteen".