20404134424014 has 16 divisors (see below), whose sum is σ = 44518111470720. Its totient is φ = 6183071037560.

The previous prime is 20404134423971. The next prime is 20404134424033. The reversal of 20404134424014 is 41042443140402.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 154576775874 + ... + 154576776005.

It is an arithmetic number, because the mean of its divisors is an integer number (2782381966920).

Almost surely, 2^{20404134424014} is an apocalyptic number.

20404134424014 is an abundant number, since it is smaller than the sum of its proper divisors (24113977046706).

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

20404134424014 is a wasteful number, since it uses less digits than its factorization.

20404134424014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309153551895.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 20404134424014 its reverse (41042443140402), we get a palindrome (61446577564416).

The spelling of 20404134424014 in words is "twenty trillion, four hundred four billion, one hundred thirty-four million, four hundred twenty-four thousand, fourteen".