20354654240322 has 32 divisors (see below), whose sum is σ = 40903993794048. Its totient is φ = 6752455249536.

The previous prime is 20354654240321. The next prime is 20354654240329. The reversal of 20354654240322 is 22304245645302.

It is not an unprimeable number, because it can be changed into a prime (20354654240321) 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, 2257998 + ... + 6768150.

It is an arithmetic number, because the mean of its divisors is an integer number (1278249806064).

Almost surely, 2^{20354654240322} is an apocalyptic number.

20354654240322 is an abundant number, since it is smaller than the sum of its proper divisors (20549339553726).

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

20354654240322 is a wasteful number, since it uses less digits than its factorization.

20354654240322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513754.

The product of its (nonzero) digits is 1382400, while the sum is 42.

Adding to 20354654240322 its reverse (22304245645302), we get a palindrome (42658899885624).

The spelling of 20354654240322 in words is "twenty trillion, three hundred fifty-four billion, six hundred fifty-four million, two hundred forty thousand, three hundred twenty-two".