22350020 has 96 divisors (see below), whose sum is σ = 61157376. Its totient is φ = 6652800.

The previous prime is 22350017. The next prime is 22350077. The reversal of 22350020 is 2005322.

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 = 22349977 and 22350004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35105 + ... + 35735.

It is an arithmetic number, because the mean of its divisors is an integer number (637056).

Almost surely, 2^22350020 is an apocalyptic number.

22350020 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 22350020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30578688).

22350020 is an abundant number, since it is smaller than the sum of its proper divisors (38807356).

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

22350020 is a wasteful number, since it uses less digits than its factorization.

22350020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 22350020 is about 4727.5807766764. The cubic root of 22350020 is about 281.6821360192.

Adding to 22350020 its reverse (2005322), we get a palindrome (24355342).

The spelling of 22350020 in words is "twenty-two million, three hundred fifty thousand, twenty".