20331434040030 has 48 divisors (see below), whose sum is σ = 52917904844064. Its totient is φ = 5415954068160.

The previous prime is 20331434039929. The next prime is 20331434040053. The reversal of 20331434040030 is 3004043413302.

20331434040030 is a `hidden beast` number, since 2 + 0 + 3 + 314 + 340 + 4 + 0 + 0 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20331434039976 and 20331434040003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119949754 + ... + 120119133.

It is an arithmetic number, because the mean of its divisors is an integer number (1102456350918).

Almost surely, 2^{20331434040030} is an apocalyptic number.

20331434040030 is an abundant number, since it is smaller than the sum of its proper divisors (32586470804034).

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

20331434040030 is a wasteful number, since it uses less digits than its factorization.

20331434040030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240069841 (or 240069838 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 20331434040030 its reverse (3004043413302), we get a palindrome (23335477453332).

The spelling of 20331434040030 in words is "twenty trillion, three hundred thirty-one billion, four hundred thirty-four million, forty thousand, thirty".