20340022120 has 128 divisors (see below), whose sum is σ = 53274672000. Its totient is φ = 6910894080.

The previous prime is 20340022091. The next prime is 20340022121. The reversal of 20340022120 is 2122004302.

It is a super-3 number, since 3×20340022120³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20340022094 and 20340022103.

It is not an unprimeable number, because it can be changed into a prime (20340022121) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 593616 + ... + 626944.

It is an arithmetic number, because the mean of its divisors is an integer number (416208375).

Almost surely, 2^20340022120 is an apocalyptic number.

20340022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20340022120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26637336000).

20340022120 is an abundant number, since it is smaller than the sum of its proper divisors (32934649880).

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

20340022120 is a wasteful number, since it uses less digits than its factorization.

20340022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33443 (or 33439 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20340022120 its reverse (2122004302), we get a palindrome (22462026422).

The spelling of 20340022120 in words is "twenty billion, three hundred forty million, twenty-two thousand, one hundred twenty".