1068766820 has 24 divisors (see below), whose sum is σ = 2448448128. Its totient is φ = 388642400.

The previous prime is 1068766817. The next prime is 1068766837. The reversal of 1068766820 is 286678601.

It is a super-2 number, since 2×1068766820² = 2284525031065824800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2428796 + ... + 2429235.

It is an arithmetic number, because the mean of its divisors is an integer number (102018672).

Almost surely, 2^1068766820 is an apocalyptic number.

1068766820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1068766820 is an abundant number, since it is smaller than the sum of its proper divisors (1379681308).

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

1068766820 is a wasteful number, since it uses less digits than its factorization.

1068766820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4858051 (or 4858049 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 1068766820 is about 32691.9993270525. Note that the first 3 decimals coincide. The cubic root of 1068766820 is about 1022.4160399573.

Adding to 1068766820 its sum of digits (44), we get a square (1068766864 = 32692²).

The spelling of 1068766820 in words is "one billion, sixty-eight million, seven hundred sixty-six thousand, eight hundred twenty".