20160444550 has 48 divisors (see below), whose sum is σ = 38192310000. Its totient is φ = 7915376000.

The previous prime is 20160444511. The next prime is 20160444569. The reversal of 20160444550 is 5544406102.

It is a happy number.

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, 2063076 + ... + 2072824.

It is an arithmetic number, because the mean of its divisors is an integer number (795673125).

Almost surely, 2^20160444550 is an apocalyptic number.

20160444550 is a deficient number, since it is larger than the sum of its proper divisors (18031865450).

20160444550 is a wasteful number, since it uses less digits than its factorization.

20160444550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10521 (or 10516 counting only the distinct ones).

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

The spelling of 20160444550 in words is "twenty billion, one hundred sixty million, four hundred forty-four thousand, five hundred fifty".