20204361005502 has 16 divisors (see below), whose sum is σ = 41802126218640. Its totient is φ = 6502552967232.

The previous prime is 20204361005417. The next prime is 20204361005527. The reversal of 20204361005502 is 20550016340202.

It is a self number, because there is not a number n which added to its sum of digits gives 20204361005502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58058508463 + ... + 58058508810.

It is an arithmetic number, because the mean of its divisors is an integer number (2612632888665).

Almost surely, 2^{20204361005502} is an apocalyptic number.

20204361005502 is an abundant number, since it is smaller than the sum of its proper divisors (21597765213138).

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

20204361005502 is a wasteful number, since it uses less digits than its factorization.

20204361005502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116117017307.

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

Adding to 20204361005502 its reverse (20550016340202), we get a palindrome (40754377345704).

The spelling of 20204361005502 in words is "twenty trillion, two hundred four billion, three hundred sixty-one million, five thousand, five hundred two".