20453201106656 has 12 divisors (see below), whose sum is σ = 40267239678792. Its totient is φ = 10226600553312.

The previous prime is 20453201106647. The next prime is 20453201106661. The reversal of 20453201106656 is 65660110235402.

It is a happy number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 319581267260 + ... + 319581267323.

It is an arithmetic number, because the mean of its divisors is an integer number (3355603306566).

Almost surely, 2^{20453201106656} is an apocalyptic number.

It is an amenable number.

20453201106656 is a deficient number, since it is larger than the sum of its proper divisors (19814038572136).

20453201106656 is an equidigital number, since it uses as much as digits as its factorization.

20453201106656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639162534593 (or 639162534585 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 20453201106656 in words is "twenty trillion, four hundred fifty-three billion, two hundred one million, one hundred six thousand, six hundred fifty-six".