920839019210 has 32 divisors (see below), whose sum is σ = 1914557280192. Its totient is φ = 315153460480.

The previous prime is 920839019189. The next prime is 920839019249. The reversal of 920839019210 is 12910938029.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246211772 + ... + 246215511.

It is an arithmetic number, because the mean of its divisors is an integer number (59829915006).

Almost surely, 2^920839019210 is an apocalyptic number.

920839019210 is an abundant number, since it is smaller than the sum of its proper divisors (993718260982).

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

920839019210 is a wasteful number, since it uses less digits than its factorization.

920839019210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492427318.

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

The spelling of 920839019210 in words is "nine hundred twenty billion, eight hundred thirty-nine million, nineteen thousand, two hundred ten".