120203393616 has 60 divisors (see below), whose sum is σ = 345494529172. Its totient is φ = 38984882688.

The previous prime is 120203393593. The next prime is 120203393669. The reversal of 120203393616 is 616393302021.

It is a happy number.

120203393616 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 0 + 3 + 39 + 3 + 616 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 88980503616 + 31222890000 = 298296^2 + 176700^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11275021 + ... + 11285676.

Almost surely, 2^120203393616 is an apocalyptic number.

120203393616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120203393616 is an abundant number, since it is smaller than the sum of its proper divisors (225291135556).

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

120203393616 is a wasteful number, since it uses less digits than its factorization.

120203393616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22560748 (or 22560739 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

Adding to 120203393616 its reverse (616393302021), we get a palindrome (736596695637).

The spelling of 120203393616 in words is "one hundred twenty billion, two hundred three million, three hundred ninety-three thousand, six hundred sixteen".