20320606324554 has 8 divisors (see below), whose sum is σ = 40641212649120. Its totient is φ = 6773535441516.

The previous prime is 20320606324519. The next prime is 20320606324609. The reversal of 20320606324554 is 45542360602302.

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

20320606324554 is an admirable number.

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, 1693383860374 + ... + 1693383860385.

It is an arithmetic number, because the mean of its divisors is an integer number (5080151581140).

Almost surely, 2^{20320606324554} is an apocalyptic number.

20320606324554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20320606324554 is a wasteful number, since it uses less digits than its factorization.

20320606324554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386767720764.

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 20320606324554 its reverse (45542360602302), we get a palindrome (65862966926856).

The spelling of 20320606324554 in words is "twenty trillion, three hundred twenty billion, six hundred six million, three hundred twenty-four thousand, five hundred fifty-four".