20413346425446 has 64 divisors (see below), whose sum is σ = 44668412845056. Its totient is φ = 6181602288000.

The previous prime is 20413346425343. The next prime is 20413346425481. The reversal of 20413346425446 is 64452464331402.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20413346425395 and 20413346425404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6442410 + ... + 9073661.

It is an arithmetic number, because the mean of its divisors is an integer number (697943950704).

Almost surely, 2^{20413346425446} is an apocalyptic number.

20413346425446 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20413346425446 is an abundant number, since it is smaller than the sum of its proper divisors (24255066419610).

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

20413346425446 is a wasteful number, since it uses less digits than its factorization.

20413346425446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15516357.

The product of its (nonzero) digits is 6635520, while the sum is 48.

The spelling of 20413346425446 in words is "twenty trillion, four hundred thirteen billion, three hundred forty-six million, four hundred twenty-five thousand, four hundred forty-six".