22000013420 has 96 divisors (see below), whose sum is σ = 57642471936. Its totient is φ = 6852096000.

The previous prime is 22000013411. The next prime is 22000013459. The reversal of 22000013420 is 2431000022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 22000013395 and 22000013404.

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 31 ways as a sum of consecutive naturals, for example, 2461079 + ... + 2470001.

It is an arithmetic number, because the mean of its divisors is an integer number (600442416).

Almost surely, 2^22000013420 is an apocalyptic number.

22000013420 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 22000013420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28821235968).

22000013420 is an abundant number, since it is smaller than the sum of its proper divisors (35642458516).

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

22000013420 is a wasteful number, since it uses less digits than its factorization.

22000013420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10551 (or 10549 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 22000013420 its reverse (2431000022), we get a palindrome (24431013442).

The spelling of 22000013420 in words is "twenty-two billion, thirteen thousand, four hundred twenty".