20404034324012 has 48 divisors (see below), whose sum is σ = 36066759386112. Its totient is φ = 10099904722560.

The previous prime is 20404034323993. The next prime is 20404034324083. The reversal of 20404034324012 is 21042343040402.

It is a super-2 number, since 2×20404034324012² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122919623 + ... + 123085505.

It is an arithmetic number, because the mean of its divisors is an integer number (751390820544).

Almost surely, 2^{20404034324012} is an apocalyptic number.

It is an amenable number.

20404034324012 is a deficient number, since it is larger than the sum of its proper divisors (15662725062100).

20404034324012 is a wasteful number, since it uses less digits than its factorization.

20404034324012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166878 (or 166876 counting only the distinct ones).

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

Adding to 20404034324012 its reverse (21042343040402), we get a palindrome (41446377364414).

The spelling of 20404034324012 in words is "twenty trillion, four hundred four billion, thirty-four million, three hundred twenty-four thousand, twelve".