20444243310 has 48 divisors (see below), whose sum is σ = 53827899840. Its totient is φ = 5382786240.

The previous prime is 20444243273. The next prime is 20444243353. The reversal of 20444243310 is 1334244402.

It is a happy number.

20444243310 is a `hidden beast` number, since 204 + 4 + 424 + 3 + 31 + 0 = 666.

It is a super-2 number, since 2×20444243310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1430601 + ... + 1444820.

It is an arithmetic number, because the mean of its divisors is an integer number (1121414580).

Almost surely, 2^20444243310 is an apocalyptic number.

20444243310 is an abundant number, since it is smaller than the sum of its proper divisors (33383656530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20444243310 is a wasteful number, since it uses less digits than its factorization.

20444243310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875513 (or 2875510 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20444243310 its reverse (1334244402), we get a palindrome (21778487712).

The spelling of 20444243310 in words is "twenty billion, four hundred forty-four million, two hundred forty-three thousand, three hundred ten".