100820852650 has 24 divisors (see below), whose sum is σ = 214316327520. Its totient is φ = 34567149360.

The previous prime is 100820852609. The next prime is 100820852653. The reversal of 100820852650 is 56258028001.

100820852650 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (100820852653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144029440 + ... + 144030139.

It is an arithmetic number, because the mean of its divisors is an integer number (8929846980).

Almost surely, 2^100820852650 is an apocalyptic number.

100820852650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100820852650 is an abundant number, since it is smaller than the sum of its proper divisors (113495474870).

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

100820852650 is a wasteful number, since it uses less digits than its factorization.

100820852650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288059598 (or 288059593 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The spelling of 100820852650 in words is "one hundred billion, eight hundred twenty million, eight hundred fifty-two thousand, six hundred fifty".