20133220302040 has 16 divisors (see below), whose sum is σ = 45299745679680. Its totient is φ = 8053288120800.

The previous prime is 20133220302031. The next prime is 20133220302043. The reversal of 20133220302040 is 4020302233102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133220302043) 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 3 ways as a sum of consecutive naturals, for example, 251665253736 + ... + 251665253815.

It is an arithmetic number, because the mean of its divisors is an integer number (2831234104980).

Almost surely, 2^{20133220302040} is an apocalyptic number.

20133220302040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133220302040 is an abundant number, since it is smaller than the sum of its proper divisors (25166525377640).

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

20133220302040 is a wasteful number, since it uses less digits than its factorization.

20133220302040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503330507562 (or 503330507558 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20133220302040 its reverse (4020302233102), we get a palindrome (24153522535142).

The spelling of 20133220302040 in words is "twenty trillion, one hundred thirty-three billion, two hundred twenty million, three hundred two thousand, forty".