20202040422 has 24 divisors (see below), whose sum is σ = 44596959264. Its totient is φ = 6606956304.

The previous prime is 20202040379. The next prime is 20202040459. The reversal of 20202040422 is 22404020202.

20202040422 is a `hidden beast` number, since 2 + 0 + 202 + 0 + 40 + 422 = 666.

It is a super-3 number, since 3×20202040422³ (a number of 32 digits) contains 333 as substring.

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 = 20202040395 and 20202040404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10587118 + ... + 10589025.

It is an arithmetic number, because the mean of its divisors is an integer number (1858206636).

Almost surely, 2^20202040422 is an apocalyptic number.

20202040422 is an abundant number, since it is smaller than the sum of its proper divisors (24394918842).

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

20202040422 is a wasteful number, since it uses less digits than its factorization.

20202040422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21176204 (or 21176201 counting only the distinct ones).

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

Adding to 20202040422 its reverse (22404020202), we get a palindrome (42606060624).

The spelling of 20202040422 in words is "twenty billion, two hundred two million, forty thousand, four hundred twenty-two".