20354616523401 has 16 divisors (see below), whose sum is σ = 27215130343104. Its totient is φ = 13531976023104.

The previous prime is 20354616523387. The next prime is 20354616523489. The reversal of 20354616523401 is 10432561645302.

It is not a de Polignac number, because 20354616523401 - 2⁷ = 20354616523273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20354616523201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5010286 + ... + 8112471.

It is an arithmetic number, because the mean of its divisors is an integer number (1700945646444).

Almost surely, 2^{20354616523401} is an apocalyptic number.

It is an amenable number.

20354616523401 is a deficient number, since it is larger than the sum of its proper divisors (6860513819703).

20354616523401 is a wasteful number, since it uses less digits than its factorization.

20354616523401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13124200.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 20354616523401 in words is "twenty trillion, three hundred fifty-four billion, six hundred sixteen million, five hundred twenty-three thousand, four hundred one".