20004135654 has 32 divisors (see below), whose sum is σ = 42368335200. Its totient is φ = 6274824192.

The previous prime is 20004135643. The next prime is 20004135703. The reversal of 20004135654 is 45653140002.

20004135654 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 912162 + ... + 933834.

It is an arithmetic number, because the mean of its divisors is an integer number (1324010475).

Almost surely, 2^20004135654 is an apocalyptic number.

20004135654 is an abundant number, since it is smaller than the sum of its proper divisors (22364199546).

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

20004135654 is a wasteful number, since it uses less digits than its factorization.

20004135654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30744.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 20004135654 its reverse (45653140002), we get a palindrome (65657275656).

The spelling of 20004135654 in words is "twenty billion, four million, one hundred thirty-five thousand, six hundred fifty-four".