20554120314404 has 24 divisors (see below), whose sum is σ = 36405307612128. Its totient is φ = 10152619004160.

The previous prime is 20554120314389. The next prime is 20554120314421. The reversal of 20554120314404 is 40441302145502.

It is a happy 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, 3564899 + ... + 7335989.

It is an arithmetic number, because the mean of its divisors is an integer number (1516887817172).

Almost surely, 2^{20554120314404} is an apocalyptic number.

It is an amenable number.

20554120314404 is a deficient number, since it is larger than the sum of its proper divisors (15851187297724).

20554120314404 is a wasteful number, since it uses less digits than its factorization.

20554120314404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787595 (or 3787593 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 20554120314404 its reverse (40441302145502), we get a palindrome (60995422459906).

The spelling of 20554120314404 in words is "twenty trillion, five hundred fifty-four billion, one hundred twenty million, three hundred fourteen thousand, four hundred four".