133246112220 has 288 divisors, whose sum is σ = 441268918272. Its totient is φ = 32349487104.

The previous prime is 133246112203. The next prime is 133246112231. The reversal of 133246112220 is 22211642331.

133246112220 is a `hidden beast` number, since 1 + 3 + 3 + 2 + 4 + 611 + 22 + 20 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 80123109 + ... + 80124771.

It is an arithmetic number, because the mean of its divisors is an integer number (1532183744).

Almost surely, 2^133246112220 is an apocalyptic number.

133246112220 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 133246112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220634459136).

133246112220 is an abundant number, since it is smaller than the sum of its proper divisors (308022806052).

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

133246112220 is a wasteful number, since it uses less digits than its factorization.

133246112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141 (or 2136 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 133246112220 its reverse (22211642331), we get a palindrome (155457754551).

The spelling of 133246112220 in words is "one hundred thirty-three billion, two hundred forty-six million, one hundred twelve thousand, two hundred twenty".