20622200 has 48 divisors (see below), whose sum is σ = 48486480. Its totient is φ = 8156160.

The previous prime is 20622197. The next prime is 20622229. The reversal of 20622200 is 222602.

It is a super-3 number, since 3×20622200³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18869 + ... + 19931.

It is an arithmetic number, because the mean of its divisors is an integer number (1010135).

Almost surely, 2^20622200 is an apocalyptic number.

20622200 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 20622200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24243240).

20622200 is an abundant number, since it is smaller than the sum of its proper divisors (27864280).

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

20622200 is a wasteful number, since it uses less digits than its factorization.

20622200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 1167 counting only the distinct ones).

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

The square root of 20622200 is about 4541.1672508288. The cubic root of 20622200 is about 274.2279169927.

Adding to 20622200 its reverse (222602), we get a palindrome (20844802).

The spelling of 20622200 in words is "twenty million, six hundred twenty-two thousand, two hundred".