10220444240 has 20 divisors (see below), whose sum is σ = 23762533044. Its totient is φ = 4088177664.

The previous prime is 10220444231. The next prime is 10220444291. The reversal of 10220444240 is 4244402201.

It can be written as a sum of positive squares in 2 ways, for example, as 4593043984 + 5627400256 = 67772^2 + 75016^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 63877697 + ... + 63877856.

Almost surely, 2^10220444240 is an apocalyptic number.

10220444240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220444240 is an abundant number, since it is smaller than the sum of its proper divisors (13542088804).

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

10220444240 is a wasteful number, since it uses less digits than its factorization.

10220444240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127755566 (or 127755560 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 10220444240 its reverse (4244402201), we get a palindrome (14464846441).

The spelling of 10220444240 in words is "ten billion, two hundred twenty million, four hundred forty-four thousand, two hundred forty".