20416044550 has 24 divisors (see below), whose sum is σ = 41426011512. Its totient is φ = 7424016000.

The previous prime is 20416044547. The next prime is 20416044563. The reversal of 20416044550 is 5544061402.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18559491 + ... + 18560590.

It is an arithmetic number, because the mean of its divisors is an integer number (1726083813).

Almost surely, 2^20416044550 is an apocalyptic number.

20416044550 is an abundant number, since it is smaller than the sum of its proper divisors (21009966962).

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

20416044550 is a wasteful number, since it uses less digits than its factorization.

20416044550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37120104 (or 37120099 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 20416044550 in words is "twenty billion, four hundred sixteen million, forty-four thousand, five hundred fifty".