196226920 has 128 divisors (see below), whose sum is σ = 489110400. Its totient is φ = 70557696.

The previous prime is 196226917. The next prime is 196226929. The reversal of 196226920 is 29622691.

It is a self number, because there is not a number n which added to its sum of digits gives 196226920.

It is not an unprimeable number, because it can be changed into a prime (196226929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2688004 + ... + 2688076.

It is an arithmetic number, because the mean of its divisors is an integer number (3821175).

Almost surely, 2^196226920 is an apocalyptic number.

196226920 is a gapful number since it is divisible by the number (10) 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 196226920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244555200).

196226920 is an abundant number, since it is smaller than the sum of its proper divisors (292883480).

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

196226920 is a wasteful number, since it uses less digits than its factorization.

196226920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 196226920 is about 14008.1019413766. The cubic root of 196226920 is about 581.1026586106.

It can be divided in two parts, 1962 and 26920, that added together give a palindrome (28882).

The spelling of 196226920 in words is "one hundred ninety-six million, two hundred twenty-six thousand, nine hundred twenty".