20353435340 has 48 divisors (see below), whose sum is σ = 48899085312. Its totient is φ = 6971057856.

The previous prime is 20353435331. The next prime is 20353435367. The reversal of 20353435340 is 4353435302.

It is a junction number, because it is equal to n+sod(n) for n = 20353435297 and 20353435306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60209 + ... + 210551.

It is an arithmetic number, because the mean of its divisors is an integer number (1018730944).

Almost surely, 2^20353435340 is an apocalyptic number.

20353435340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20353435340 is an abundant number, since it is smaller than the sum of its proper divisors (28545649972).

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

20353435340 is a wasteful number, since it uses less digits than its factorization.

20353435340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151326 (or 151324 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 32.

The spelling of 20353435340 in words is "twenty billion, three hundred fifty-three million, four hundred thirty-five thousand, three hundred forty".