20340133422 has 32 divisors (see below), whose sum is σ = 48938668800. Its totient is φ = 5505599808.

The previous prime is 20340133417. The next prime is 20340133439. The reversal of 20340133422 is 22433104302.

It is a super-2 number, since 2×20340133422² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20340133392 and 20340133401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12743647 + ... + 12745242.

It is an arithmetic number, because the mean of its divisors is an integer number (1529333400).

Almost surely, 2^20340133422 is an apocalyptic number.

20340133422 is an abundant number, since it is smaller than the sum of its proper divisors (28598535378).

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

20340133422 is a wasteful number, since it uses less digits than its factorization.

20340133422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25488920.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20340133422 its reverse (22433104302), we get a palindrome (42773237724).

The spelling of 20340133422 in words is "twenty billion, three hundred forty million, one hundred thirty-three thousand, four hundred twenty-two".