20021103441 has 12 divisors (see below), whose sum is σ = 28947434880. Its totient is φ = 13334450040.

The previous prime is 20021103437. The next prime is 20021103461. The reversal of 20021103441 is 14430112002.

20021103441 is a `hidden beast` number, since 200 + 21 + 1 + 0 + 3 + 441 = 666.

It is not a de Polignac number, because 20021103441 - 2² = 20021103437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20021103461) 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, 1069561 + ... + 1088118.

It is an arithmetic number, because the mean of its divisors is an integer number (2412286240).

Almost surely, 2^20021103441 is an apocalyptic number.

It is an amenable number.

20021103441 is a deficient number, since it is larger than the sum of its proper divisors (8926331439).

20021103441 is a wasteful number, since it uses less digits than its factorization.

20021103441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158716 (or 2158713 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20021103441 its reverse (14430112002), we get a palindrome (34451215443).

The spelling of 20021103441 in words is "twenty billion, twenty-one million, one hundred three thousand, four hundred forty-one".