20004611113602 has 64 divisors (see below), whose sum is σ = 44763192576000. Its totient is φ = 6621956355600.

The previous prime is 20004611113601. The next prime is 20004611113633. The reversal of 20004611113602 is 20631111640002.

It is a happy number.

20004611113602 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 4 + 611 + 11 + 36 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20004611113601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25601899 + ... + 26371697.

It is an arithmetic number, because the mean of its divisors is an integer number (699424884000).

Almost surely, 2^{20004611113602} is an apocalyptic number.

20004611113602 is an abundant number, since it is smaller than the sum of its proper divisors (24758581462398).

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

20004611113602 is a wasteful number, since it uses less digits than its factorization.

20004611113602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773148 (or 773142 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 20004611113602 its reverse (20631111640002), we get a palindrome (40635722753604).

The spelling of 20004611113602 in words is "twenty trillion, four billion, six hundred eleven million, one hundred thirteen thousand, six hundred two".