20222020422 has 24 divisors (see below), whose sum is σ = 43954371864. Its totient is φ = 6719135904.

The previous prime is 20222020411. The next prime is 20222020433. The reversal of 20222020422 is 22402022202.

It is a happy number.

20222020422 is a `hidden beast` number, since 2 + 0 + 2 + 220 + 20 + 422 = 666.

It is an interprime number because it is at equal distance from previous prime (20222020411) and next prime (20222020433).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20222020395 and 20222020404.

It is a congruent number.

It is an unprimeable number.

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, 1789008 + ... + 1800275.

It is an arithmetic number, because the mean of its divisors is an integer number (1831432161).

Almost surely, 2^20222020422 is an apocalyptic number.

20222020422 is an abundant number, since it is smaller than the sum of its proper divisors (23732351442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20222020422 is a wasteful number, since it uses less digits than its factorization.

20222020422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3589604 (or 3589601 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20222020422 its reverse (22402022202), we get a palindrome (42624042624).

The spelling of 20222020422 in words is "twenty billion, two hundred twenty-two million, twenty thousand, four hundred twenty-two".