1055205320 has 32 divisors (see below), whose sum is σ = 2556844920. Its totient is φ = 389614080.

The previous prime is 1055205269. The next prime is 1055205329. The reversal of 1055205320 is 235025501.

It can be written as a sum of positive squares in 4 ways, for example, as 940158244 + 115047076 = 30662^2 + 10726^2 .

It is a super-2 number, since 2×1055205320² = 2226916534712604800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055205329) by changing a digit.

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, 1014101 + ... + 1015140.

Almost surely, 2^1055205320 is an apocalyptic number.

1055205320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055205320 is an abundant number, since it is smaller than the sum of its proper divisors (1501639600).

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

1055205320 is a wasteful number, since it uses less digits than its factorization.

1055205320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029265 (or 2029261 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 1055205320 is about 32483.9240240461. The cubic root of 1055205320 is about 1018.0731661947.

The spelling of 1055205320 in words is "one billion, fifty-five million, two hundred five thousand, three hundred twenty".