20226960 has 120 divisors (see below), whose sum is σ = 73188024. Its totient is φ = 4976640.

The previous prime is 20226953. The next prime is 20226961. The reversal of 20226960 is 6962202.

It can be written as a sum of positive squares in 4 ways, for example, as 725904 + 19501056 = 852^2 + 4416^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (20226961) 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, 8280 + ... + 10440.

Almost surely, 2^20226960 is an apocalyptic number.

20226960 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 20226960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36594012).

20226960 is an abundant number, since it is smaller than the sum of its proper divisors (52961064).

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

20226960 is a wasteful number, since it uses less digits than its factorization.

20226960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193 (or 2184 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 20226960 is about 4497.4392714077. The cubic root of 20226960 is about 272.4646757230.

The spelling of 20226960 in words is "twenty million, two hundred twenty-six thousand, nine hundred sixty".