1029660922820 has 24 divisors (see below), whose sum is σ = 2184579570264. Its totient is φ = 407618343936.

The previous prime is 1029660922817. The next prime is 1029660922841. The reversal of 1029660922820 is 282290669201.

It can be written as a sum of positive squares in 4 ways, for example, as 4755757444 + 1024905165376 = 68962^2 + 1012376^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265374587 + ... + 265378466.

It is an arithmetic number, because the mean of its divisors is an integer number (91024148761).

Almost surely, 2^{1029660922820} is an apocalyptic number.

1029660922820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1029660922820 is an abundant number, since it is smaller than the sum of its proper divisors (1154918647444).

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

1029660922820 is a wasteful number, since it uses less digits than its factorization.

1029660922820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530753159 (or 530753157 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 1029660922820 in words is "one trillion, twenty-nine billion, six hundred sixty million, nine hundred twenty-two thousand, eight hundred twenty".