20331440210 has 16 divisors (see below), whose sum is σ = 37777128192. Its totient is φ = 7870234800.

The previous prime is 20331440191. The next prime is 20331440243. The reversal of 20331440210 is 1204413302.

It is a super-2 number, since 2×20331440210² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 32792336 + ... + 32792955.

It is an arithmetic number, because the mean of its divisors is an integer number (2361070512).

Almost surely, 2^20331440210 is an apocalyptic number.

20331440210 is a deficient number, since it is larger than the sum of its proper divisors (17445687982).

20331440210 is a wasteful number, since it uses less digits than its factorization.

20331440210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65585329.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20331440210 its reverse (1204413302), we get a palindrome (21535853512).

The spelling of 20331440210 in words is "twenty billion, three hundred thirty-one million, four hundred forty thousand, two hundred ten".