20760222 has 48 divisors (see below), whose sum is σ = 48665232. Its totient is φ = 5886720.

The previous prime is 20760221. The next prime is 20760239. The reversal of 20760222 is 22206702.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20760221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70708 + ... + 71000.

It is an arithmetic number, because the mean of its divisors is an integer number (1013859).

Almost surely, 2^20760222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20760222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24332616).

20760222 is an abundant number, since it is smaller than the sum of its proper divisors (27905010).

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

20760222 is a wasteful number, since it uses less digits than its factorization.

20760222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 20760222 is about 4556.3386616888. The cubic root of 20760222 is about 274.8383490739.

Adding to 20760222 its reverse (22206702), we get a palindrome (42966924).

The spelling of 20760222 in words is "twenty million, seven hundred sixty thousand, two hundred twenty-two".