20353435847450 has 24 divisors (see below), whose sum is σ = 37956235074048. Its totient is φ = 8120117479280.

The previous prime is 20353435847449. The next prime is 20353435847467. The reversal of 20353435847450 is 5474853435302.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20353435847392 and 20353435847401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 531402152 + ... + 531440451.

It is an arithmetic number, because the mean of its divisors is an integer number (1581509794752).

Almost surely, 2^{20353435847450} is an apocalyptic number.

20353435847450 is a deficient number, since it is larger than the sum of its proper divisors (17602799226598).

20353435847450 is a wasteful number, since it uses less digits than its factorization.

20353435847450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062842998 (or 1062842993 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 53.

The spelling of 20353435847450 in words is "twenty trillion, three hundred fifty-three billion, four hundred thirty-five million, eight hundred forty-seven thousand, four hundred fifty".