1066020930 has 48 divisors (see below), whose sum is σ = 2984861880. Its totient is φ = 262404864.

The previous prime is 1066020929. The next prime is 1066020941. The reversal of 1066020930 is 390206601.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 418979961 + 647040969 = 20469^2 + 25437^2 .

It is a super-2 number, since 2×1066020930² = 2272801246396129800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066020894 and 1066020903.

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 23 ways as a sum of consecutive naturals, for example, 454395 + ... + 456734.

Almost surely, 2^1066020930 is an apocalyptic number.

1066020930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1066020930 is an abundant number, since it is smaller than the sum of its proper divisors (1918840950).

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

1066020930 is a wasteful number, since it uses less digits than its factorization.

1066020930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911155 (or 911152 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1066020930 is about 32649.9759571121. The cubic root of 1066020930 is about 1021.5396873639.

The spelling of 1066020930 in words is "one billion, sixty-six million, twenty thousand, nine hundred thirty".