100668208820 has 48 divisors (see below), whose sum is σ = 222941510400. Its totient is φ = 38077361280.

The previous prime is 100668208813. The next prime is 100668208859. The reversal of 100668208820 is 28802866001.

It is a congruent number.

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, 39260 + ... + 450419.

It is an arithmetic number, because the mean of its divisors is an integer number (4644614800).

Almost surely, 2^100668208820 is an apocalyptic number.

100668208820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100668208820 is an abundant number, since it is smaller than the sum of its proper divisors (122273301580).

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

100668208820 is a wasteful number, since it uses less digits than its factorization.

100668208820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490248 (or 490246 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The spelling of 100668208820 in words is "one hundred billion, six hundred sixty-eight million, two hundred eight thousand, eight hundred twenty".