20552552404550 has 48 divisors (see below), whose sum is σ = 40355699480640. Its totient is φ = 7765890752160.

The previous prime is 20552552404541. The next prime is 20552552404577. The reversal of 20552552404550 is 5540425525502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30843644 + ... + 31502943.

It is an arithmetic number, because the mean of its divisors is an integer number (840743739180).

Almost surely, 2^{20552552404550} is an apocalyptic number.

20552552404550 is a deficient number, since it is larger than the sum of its proper divisors (19803147076090).

20552552404550 is a wasteful number, since it uses less digits than its factorization.

20552552404550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62346965 (or 62346960 counting only the distinct ones).

The product of its (nonzero) digits is 2000000, while the sum is 44.

The spelling of 20552552404550 in words is "twenty trillion, five hundred fifty-two billion, five hundred fifty-two million, four hundred four thousand, five hundred fifty".