116203820 has 24 divisors (see below), whose sum is σ = 254638944. Its totient is φ = 44460416.

The previous prime is 116203817. The next prime is 116203831. The reversal of 116203820 is 28302611.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125849 + ... + 126768.

It is an arithmetic number, because the mean of its divisors is an integer number (10609956).

Almost surely, 2^116203820 is an apocalyptic number.

116203820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116203820 is an abundant number, since it is smaller than the sum of its proper divisors (138435124).

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

116203820 is a wasteful number, since it uses less digits than its factorization.

116203820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252649 (or 252647 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 116203820 is about 10779.7875674802. The cubic root of 116203820 is about 487.9853697576.

The spelling of 116203820 in words is "one hundred sixteen million, two hundred three thousand, eight hundred twenty".