1085224020 has 48 divisors (see below), whose sum is σ = 3045470400. Its totient is φ = 288741376.

The previous prime is 1085223943. The next prime is 1085224033. The reversal of 1085224020 is 204225801.

It is a super-2 number, since 2×1085224020² = 2355422347169920800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6799 + ... + 47081.

It is an arithmetic number, because the mean of its divisors is an integer number (63447300).

Almost surely, 2^1085224020 is an apocalyptic number.

1085224020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1085224020 is an abundant number, since it is smaller than the sum of its proper divisors (1960246380).

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

1085224020 is a wasteful number, since it uses less digits than its factorization.

1085224020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40744 (or 40742 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1085224020 is about 32942.7385018307. The cubic root of 1085224020 is about 1027.6371576484.

Adding to 1085224020 its reverse (204225801), we get a palindrome (1289449821).

The spelling of 1085224020 in words is "one billion, eighty-five million, two hundred twenty-four thousand, twenty".