20441031146 has 8 divisors (see below), whose sum is σ = 30662224164. Its totient is φ = 10220289760.

The previous prime is 20441031133. The next prime is 20441031157. The reversal of 20441031146 is 64113014402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16233562921 + 4207468225 = 127411^2 + 64865^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43676 + ... + 206856.

Almost surely, 2^20441031146 is an apocalyptic number.

20441031146 is a deficient number, since it is larger than the sum of its proper divisors (10221193018).

20441031146 is a wasteful number, since it uses less digits than its factorization.

20441031146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225816.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 20441031146 its reverse (64113014402), we get a palindrome (84554045548).

The spelling of 20441031146 in words is "twenty billion, four hundred forty-one million, thirty-one thousand, one hundred forty-six".