20200511441 has 12 divisors (see below), whose sum is σ = 22587537552. Its totient is φ = 17916180000.

The previous prime is 20200511381. The next prime is 20200511449. The reversal of 20200511441 is 14411500202.

It is a happy number.

It is not a de Polignac number, because 20200511441 - 2¹⁴ = 20200495057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200511449) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 527735 + ... + 564716.

It is an arithmetic number, because the mean of its divisors is an integer number (1882294796).

Almost surely, 2^20200511441 is an apocalyptic number.

It is an amenable number.

20200511441 is a deficient number, since it is larger than the sum of its proper divisors (2387026111).

20200511441 is a wasteful number, since it uses less digits than its factorization.

20200511441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092544 (or 1092503 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The spelling of 20200511441 in words is "twenty billion, two hundred million, five hundred eleven thousand, four hundred forty-one".