22020519 has 8 divisors (see below), whose sum is σ = 29572480. Its totient is φ = 14574456.

The previous prime is 22020517. The next prime is 22020527. The reversal of 22020519 is 91502022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22020519 - 2¹ = 22020517 is a prime.

It is a super-2 number, since 2×22020519² = 969806514058722, 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 = 22020495 and 22020504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25987 + ... + 26820.

It is an arithmetic number, because the mean of its divisors is an integer number (3696560).

Almost surely, 2^22020519 is an apocalyptic number.

22020519 is a deficient number, since it is larger than the sum of its proper divisors (7551961).

22020519 is a wasteful number, since it uses less digits than its factorization.

22020519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52949.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 22020519 is about 4692.6025827892. The cubic root of 22020519 is about 280.2910197010.

The spelling of 22020519 in words is "twenty-two million, twenty thousand, five hundred nineteen".