20553120163552 has 24 divisors (see below), whose sum is σ = 40464871952400. Its totient is φ = 10276327286784.

The previous prime is 20553120163549. The next prime is 20553120163579. The reversal of 20553120163552 is 25536102135502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5835777 + ... + 8669632.

It is an arithmetic number, because the mean of its divisors is an integer number (1686036331350).

Almost surely, 2^{20553120163552} is an apocalyptic number.

It is an amenable number.

20553120163552 is a deficient number, since it is larger than the sum of its proper divisors (19911751788848).

20553120163552 is a wasteful number, since it uses less digits than its factorization.

20553120163552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14549698 (or 14549690 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 20553120163552 in words is "twenty trillion, five hundred fifty-three billion, one hundred twenty million, one hundred sixty-three thousand, five hundred fifty-two".