20001120433404 has 24 divisors (see below), whose sum is σ = 50911942921728. Its totient is φ = 6060945585840.

The previous prime is 20001120433373. The next prime is 20001120433409. The reversal of 20001120433404 is 40433402110002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001120433409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75761819692 + ... + 75761819955.

It is an arithmetic number, because the mean of its divisors is an integer number (2121330955072).

Almost surely, 2^{20001120433404} is an apocalyptic number.

It is an amenable number.

20001120433404 is an abundant number, since it is smaller than the sum of its proper divisors (30910822488324).

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

20001120433404 is a wasteful number, since it uses less digits than its factorization.

20001120433404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151523639665 (or 151523639663 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20001120433404 its reverse (40433402110002), we get a palindrome (60434522543406).

The spelling of 20001120433404 in words is "twenty trillion, one billion, one hundred twenty million, four hundred thirty-three thousand, four hundred four".