20201222019 has 8 divisors (see below), whose sum is σ = 29383595712. Its totient is φ = 12243164840.

The previous prime is 20201222017. The next prime is 20201222021. The reversal of 20201222019 is 91022210202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20201222017) and next prime (20201222021).

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

It is a cyclic number.

It is not a de Polignac number, because 20201222019 - 2¹ = 20201222017 is a prime.

It is a super-2 number, since 2×20201222019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20201221986 and 20201222004.

It is not an unprimeable number, because it can be changed into a prime (20201222017) 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, 306079089 + ... + 306079154.

It is an arithmetic number, because the mean of its divisors is an integer number (3672949464).

Almost surely, 2^20201222019 is an apocalyptic number.

20201222019 is a deficient number, since it is larger than the sum of its proper divisors (9182373693).

20201222019 is a wasteful number, since it uses less digits than its factorization.

20201222019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612158257.

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

The spelling of 20201222019 in words is "twenty billion, two hundred one million, two hundred twenty-two thousand, nineteen".