1053443220 has 48 divisors (see below), whose sum is σ = 3104888640. Its totient is φ = 266132736.

The previous prime is 1053443207. The next prime is 1053443273. The reversal of 1053443220 is 223443501.

It is a super-2 number, since 2×1053443220² = 2219485235527936800, which 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 15 ways as a sum of consecutive naturals, for example, 460897 + ... + 463176.

It is an arithmetic number, because the mean of its divisors is an integer number (64685180).

Almost surely, 2^1053443220 is an apocalyptic number.

1053443220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053443220 is an abundant number, since it is smaller than the sum of its proper divisors (2051445420).

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

1053443220 is a wasteful number, since it uses less digits than its factorization.

1053443220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924104 (or 924102 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1053443220 is about 32456.7900446116. The cubic root of 1053443220 is about 1017.5061529328.

Adding to 1053443220 its reverse (223443501), we get a palindrome (1276886721).

The spelling of 1053443220 in words is "one billion, fifty-three million, four hundred forty-three thousand, two hundred twenty".