1068893220 has 48 divisors (see below), whose sum is σ = 3013012800. Its totient is φ = 283122816.

The previous prime is 1068893219. The next prime is 1068893233. The reversal of 1068893220 is 223988601.

It is a happy number.

It is a super-2 number, since 2×1068893220² = 2285065431523936800, which contains 22 as substring.

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, 50842 + ... + 68721.

It is an arithmetic number, because the mean of its divisors is an integer number (62771100).

Almost surely, 2^1068893220 is an apocalyptic number.

1068893220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1068893220 is an abundant number, since it is smaller than the sum of its proper divisors (1944119580).

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

1068893220 is a wasteful number, since it uses less digits than its factorization.

1068893220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119724 (or 119722 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 1068893220 is about 32693.9324646027. The cubic root of 1068893220 is about 1022.4563444437.

The spelling of 1068893220 in words is "one billion, sixty-eight million, eight hundred ninety-three thousand, two hundred twenty".