1020929091830 has 16 divisors (see below), whose sum is σ = 1855867143024. Its totient is φ = 404328352800.

The previous prime is 1020929091811. The next prime is 1020929091857. The reversal of 1020929091830 is 381909290201.

It is a happy number.

It is a congruent number.

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, 505409432 + ... + 505411451.

It is an arithmetic number, because the mean of its divisors is an integer number (115991696439).

Almost surely, 2^{1020929091830} is an apocalyptic number.

1020929091830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020929091830 is a deficient number, since it is larger than the sum of its proper divisors (834938051194).

1020929091830 is a wasteful number, since it uses less digits than its factorization.

1020929091830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010820991.

The product of its (nonzero) digits is 69984, while the sum is 44.

The spelling of 1020929091830 in words is "one trillion, twenty billion, nine hundred twenty-nine million, ninety-one thousand, eight hundred thirty".