133424311020 has 384 divisors, whose sum is σ = 515166124032. Its totient is φ = 24899788800.

The previous prime is 133424310973. The next prime is 133424311051. The reversal of 133424311020 is 20113424331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2192200 + ... + 2252240.

It is an arithmetic number, because the mean of its divisors is an integer number (1341578448).

Almost surely, 2^133424311020 is an apocalyptic number.

133424311020 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 133424311020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257583062016).

133424311020 is an abundant number, since it is smaller than the sum of its proper divisors (381741813012).

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

133424311020 is a wasteful number, since it uses less digits than its factorization.

133424311020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60121 (or 60119 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 133424311020 its reverse (20113424331), we get a palindrome (153537735351).

It can be divided in two parts, 133424 and 311020, that added together give a palindrome (444444).

The spelling of 133424311020 in words is "one hundred thirty-three billion, four hundred twenty-four million, three hundred eleven thousand, twenty".