20102226 has 8 divisors (see below), whose sum is σ = 40204464. Its totient is φ = 6700740.

The previous prime is 20102219. The next prime is 20102227. The reversal of 20102226 is 62220102.

It is a sphenic number, since it is the product of 3 distinct primes.

20102226 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20102227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675180 + ... + 1675191.

It is an arithmetic number, because the mean of its divisors is an integer number (5025558).

Almost surely, 2^20102226 is an apocalyptic number.

20102226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20102226 is a wasteful number, since it uses less digits than its factorization.

20102226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350376.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20102226 is about 4483.5506019225. The cubic root of 20102226 is about 271.9034493680.

Adding to 20102226 its reverse (62220102), we get a palindrome (82322328).

The spelling of 20102226 in words is "twenty million, one hundred two thousand, two hundred twenty-six".