1052204520 has 64 divisors (see below), whose sum is σ = 3241941120. Its totient is φ = 273003264.

The previous prime is 1052204513. The next prime is 1052204521. The reversal of 1052204520 is 254022501.

It is a happy number.

It is a super-2 number, since 2×1052204520² = 2214268703816860800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052204521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114052 + ... + 122931.

It is an arithmetic number, because the mean of its divisors is an integer number (50655330).

Almost surely, 2^1052204520 is an apocalyptic number.

1052204520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052204520 is an abundant number, since it is smaller than the sum of its proper divisors (2189736600).

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

1052204520 is a wasteful number, since it uses less digits than its factorization.

1052204520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237034 (or 237030 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1052204520 is about 32437.7021380985. The cubic root of 1052204520 is about 1017.1071821476.

The spelling of 1052204520 in words is "one billion, fifty-two million, two hundred four thousand, five hundred twenty".