102683851820 has 48 divisors (see below), whose sum is σ = 235265216256. Its totient is φ = 37335480000.

The previous prime is 102683851817. The next prime is 102683851841. The reversal of 102683851820 is 28158386201.

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 15 ways as a sum of consecutive naturals, for example, 2583095 + ... + 2622545.

It is an arithmetic number, because the mean of its divisors is an integer number (4901358672).

Almost surely, 2^102683851820 is an apocalyptic number.

102683851820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102683851820 is an abundant number, since it is smaller than the sum of its proper divisors (132581364436).

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

102683851820 is a wasteful number, since it uses less digits than its factorization.

102683851820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51302 (or 51300 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 102683851820 in words is "one hundred two billion, six hundred eighty-three million, eight hundred fifty-one thousand, eight hundred twenty".