20354334061642 has 8 divisors (see below), whose sum is σ = 34893144105696. Its totient is φ = 8723286026412.

The previous prime is 20354334061619. The next prime is 20354334061673. The reversal of 20354334061642 is 24616043345302.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 726940502188 + ... + 726940502215.

It is an arithmetic number, because the mean of its divisors is an integer number (4361643013212).

Almost surely, 2^{20354334061642} is an apocalyptic number.

20354334061642 is a deficient number, since it is larger than the sum of its proper divisors (14538810044054).

20354334061642 is a wasteful number, since it uses less digits than its factorization.

20354334061642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453881004412.

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 20354334061642 in words is "twenty trillion, three hundred fifty-four billion, three hundred thirty-four million, sixty-one thousand, six hundred forty-two".