22720350120 has 256 divisors, whose sum is σ = 77066035200. Its totient is φ = 5319889920.

The previous prime is 22720350067. The next prime is 22720350131. The reversal of 22720350120 is 2105302722.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2849259 + ... + 2857221.

It is an arithmetic number, because the mean of its divisors is an integer number (301039200).

Almost surely, 2^22720350120 is an apocalyptic number.

22720350120 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 22720350120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38533017600).

22720350120 is an abundant number, since it is smaller than the sum of its proper divisors (54345685080).

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

22720350120 is a wasteful number, since it uses less digits than its factorization.

22720350120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8080 (or 8076 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

Adding to 22720350120 its reverse (2105302722), we get a palindrome (24825652842).

The spelling of 22720350120 in words is "twenty-two billion, seven hundred twenty million, three hundred fifty thousand, one hundred twenty".