134031201230020 has 96 divisors (see below), whose sum is σ = 294364038608640. Its totient is φ = 51166128668160.

The previous prime is 134031201229979. The next prime is 134031201230029. The reversal of 134031201230020 is 20032102130431.

It is a super-2 number, since 2×134031201230020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134031201229973 and 134031201230000.

It is not an unprimeable number, because it can be changed into a prime (134031201230029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4465756534 + ... + 4465786546.

It is an arithmetic number, because the mean of its divisors is an integer number (3066292068840).

Almost surely, 2^{134031201230020} is an apocalyptic number.

134031201230020 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 134031201230020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147182019304320).

134031201230020 is an abundant number, since it is smaller than the sum of its proper divisors (160332837378620).

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

134031201230020 is a wasteful number, since it uses less digits than its factorization.

134031201230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51565 (or 51563 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 134031201230020 its reverse (20032102130431), we get a palindrome (154063303360451).

The spelling of 134031201230020 in words is "one hundred thirty-four trillion, thirty-one billion, two hundred one million, two hundred thirty thousand, twenty".