20100550445 has 16 divisors (see below), whose sum is σ = 24213316608. Its totient is φ = 16018736640.

The previous prime is 20100550439. The next prime is 20100550453. The reversal of 20100550445 is 54405500102.

It is not a de Polignac number, because 20100550445 - 2¹⁰ = 20100549421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3428957 + ... + 3434813.

It is an arithmetic number, because the mean of its divisors is an integer number (1513332288).

Almost surely, 2^20100550445 is an apocalyptic number.

It is an amenable number.

20100550445 is a deficient number, since it is larger than the sum of its proper divisors (4112766163).

20100550445 is a wasteful number, since it uses less digits than its factorization.

20100550445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8380.

The product of its (nonzero) digits is 4000, while the sum is 26.

The spelling of 20100550445 in words is "twenty billion, one hundred million, five hundred fifty thousand, four hundred forty-five".