20441003331 has 16 divisors (see below), whose sum is σ = 31171852800. Its totient is φ = 11671701888.

The previous prime is 20441003291. The next prime is 20441003347. The reversal of 20441003331 is 13330014402.

It is not a de Polignac number, because 20441003331 - 2¹¹ = 20441001283 is a prime.

It is a super-2 number, since 2×20441003331² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 20441003298 and 20441003307.

It is not an unprimeable number, because it can be changed into a prime (20441013331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341286 + ... + 396683.

It is an arithmetic number, because the mean of its divisors is an integer number (1948240800).

Almost surely, 2^20441003331 is an apocalyptic number.

20441003331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20441003331 is a deficient number, since it is larger than the sum of its proper divisors (10730849469).

20441003331 is a wasteful number, since it uses less digits than its factorization.

20441003331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739298.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20441003331 its reverse (13330014402), we get a palindrome (33771017733).

The spelling of 20441003331 in words is "twenty billion, four hundred forty-one million, three thousand, three hundred thirty-one".