133011123023020 has 96 divisors (see below), whose sum is σ = 306171347489280. Its totient is φ = 48136935298560.

The previous prime is 133011123022931. The next prime is 133011123023033. The reversal of 133011123023020 is 20320321110331.

It is a super-2 number, since 2×133011123023020² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 133011123022982 and 133011123023000.

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, 106151721 + ... + 107397439.

It is an arithmetic number, because the mean of its divisors is an integer number (3189284869680).

Almost surely, 2^{133011123023020} is an apocalyptic number.

133011123023020 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 133011123023020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153085673744640).

133011123023020 is an abundant number, since it is smaller than the sum of its proper divisors (173160224466260).

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

133011123023020 is a wasteful number, since it uses less digits than its factorization.

133011123023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248055 (or 1248053 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 133011123023020 its reverse (20320321110331), we get a palindrome (153331444133351).

The spelling of 133011123023020 in words is "one hundred thirty-three trillion, eleven billion, one hundred twenty-three million, twenty-three thousand, twenty".