20354665523392 has 56 divisors (see below), whose sum is σ = 41816313380160. Its totient is φ = 9818812846080.

The previous prime is 20354665523383. The next prime is 20354665523447. The reversal of 20354665523392 is 29332556645302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1820584 + ... + 6635047.

Almost surely, 2^{20354665523392} is an apocalyptic number.

It is an amenable number.

20354665523392 is an abundant number, since it is smaller than the sum of its proper divisors (21461647856768).

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

20354665523392 is a wasteful number, since it uses less digits than its factorization.

20354665523392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8456969 (or 8456959 counting only the distinct ones).

The product of its (nonzero) digits is 34992000, while the sum is 55.

The spelling of 20354665523392 in words is "twenty trillion, three hundred fifty-four billion, six hundred sixty-five million, five hundred twenty-three thousand, three hundred ninety-two".