20003513023404 has 144 divisors (see below), whose sum is σ = 54343024444800. Its totient is φ = 6185541065472.

The previous prime is 20003513023399. The next prime is 20003513023451. The reversal of 20003513023404 is 40432031530002.

20003513023404 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 351 + 302 + 3 + 4 + 0 + 4 = 666.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 5499487 + ... + 8381609.

It is an arithmetic number, because the mean of its divisors is an integer number (377382114200).

Almost surely, 2^{20003513023404} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20003513023404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27171512222400).

20003513023404 is an abundant number, since it is smaller than the sum of its proper divisors (34339511421396).

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

20003513023404 is a wasteful number, since it uses less digits than its factorization.

20003513023404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882364 (or 2882359 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 20003513023404 its reverse (40432031530002), we get a palindrome (60435544553406).

The spelling of 20003513023404 in words is "twenty trillion, three billion, five hundred thirteen million, twenty-three thousand, four hundred four".