20404041334220 has 24 divisors (see below), whose sum is σ = 43035598107600. Its totient is φ = 8125976284992.

The previous prime is 20404041334111. The next prime is 20404041334241. The reversal of 20404041334220 is 2243314040402.

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, 2227510850 + ... + 2227520009.

It is an arithmetic number, because the mean of its divisors is an integer number (1793149921150).

Almost surely, 2^{20404041334220} is an apocalyptic number.

20404041334220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20404041334220 is an abundant number, since it is smaller than the sum of its proper divisors (22631556773380).

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

20404041334220 is a wasteful number, since it uses less digits than its factorization.

20404041334220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4455031097 (or 4455031095 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 20404041334220 its reverse (2243314040402), we get a palindrome (22647355374622).

The spelling of 20404041334220 in words is "twenty trillion, four hundred four billion, forty-one million, three hundred thirty-four thousand, two hundred twenty".