20354654240316 has 72 divisors (see below), whose sum is σ = 56153939600304. Its totient is φ = 6165391491840.

The previous prime is 20354654240303. The next prime is 20354654240321. The reversal of 20354654240316 is 61304245645302.

20354654240316 is a `hidden beast` number, since 2 + 0 + 3 + 5 + 46 + 54 + 240 + 316 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10279035 + ... + 12098258.

It is an arithmetic number, because the mean of its divisors is an integer number (779915827782).

Almost surely, 2^{20354654240316} is an apocalyptic number.

It is an amenable number.

20354654240316 is an abundant number, since it is smaller than the sum of its proper divisors (35799285359988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20354654240316 is a wasteful number, since it uses less digits than its factorization.

20354654240316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22379611 (or 22379606 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

Adding to 20354654240316 its reverse (61304245645302), we get a palindrome (81658899885618).

The spelling of 20354654240316 in words is "twenty trillion, three hundred fifty-four billion, six hundred fifty-four million, two hundred forty thousand, three hundred sixteen".