20416323526424 has 32 divisors (see below), whose sum is σ = 46051857580800. Its totient is φ = 8289334363680.

The previous prime is 20416323526399. The next prime is 20416323526447. The reversal of 20416323526424 is 42462532361402.

It is a super-2 number, since 2×20416323526424² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9594135932 + ... + 9594138059.

It is an arithmetic number, because the mean of its divisors is an integer number (1439120549400).

Almost surely, 2^{20416323526424} is an apocalyptic number.

It is an amenable number.

20416323526424 is an abundant number, since it is smaller than the sum of its proper divisors (25635534054376).

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

20416323526424 is a wasteful number, since it uses less digits than its factorization.

20416323526424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19188274023 (or 19188274019 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 44.

Adding to 20416323526424 its reverse (42462532361402), we get a palindrome (62878855887826).

The spelling of 20416323526424 in words is "twenty trillion, four hundred sixteen billion, three hundred twenty-three million, five hundred twenty-six thousand, four hundred twenty-four".