133420201552250 has 64 divisors (see below), whose sum is σ = 260661628450080. Its totient is φ = 51071803417600.

The previous prime is 133420201552219. The next prime is 133420201552271. The reversal of 133420201552250 is 52255102024331.

It can be written as a sum of positive squares in 16 ways, for example, as 18462412897681 + 114957788654569 = 4296791^2 + 10721837^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133420201552250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80609009 + ... + 82247508.

Almost surely, 2^{133420201552250} is an apocalyptic number.

133420201552250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133420201552250 is a deficient number, since it is larger than the sum of its proper divisors (127241426897830).

133420201552250 is a wasteful number, since it uses less digits than its factorization.

133420201552250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162856676 (or 162856666 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 133420201552250 its reverse (52255102024331), we get a palindrome (185675303576581).

The spelling of 133420201552250 in words is "one hundred thirty-three trillion, four hundred twenty billion, two hundred one million, five hundred fifty-two thousand, two hundred fifty".