20353453366676 has 12 divisors (see below), whose sum is σ = 35618615049108. Its totient is φ = 10176706209792.

The previous prime is 20353453366651. The next prime is 20353453366691. The reversal of 20353453366676 is 67666335435302.

It can be written as a sum of positive squares in 2 ways, for example, as 911738522500 + 19441714844176 = 954850^2 + 4409276^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2760941 + ... + 6951956.

It is an arithmetic number, because the mean of its divisors is an integer number (2968217920759).

Almost surely, 2^{20353453366676} is an apocalyptic number.

It is an amenable number.

20353453366676 is a deficient number, since it is larger than the sum of its proper divisors (15265161682432).

20353453366676 is a wasteful number, since it uses less digits than its factorization.

20353453366676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10236778 (or 10236776 counting only the distinct ones).

The product of its (nonzero) digits is 146966400, while the sum is 59.

The spelling of 20353453366676 in words is "twenty trillion, three hundred fifty-three billion, four hundred fifty-three million, three hundred sixty-six thousand, six hundred seventy-six".