20310551404 has 24 divisors (see below), whose sum is σ = 41757358608. Its totient is φ = 8521909440.

The previous prime is 20310551383. The next prime is 20310551407. The reversal of 20310551404 is 40415501302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20310551407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17753407 + ... + 17754550.

It is an arithmetic number, because the mean of its divisors is an integer number (1739889942).

Almost surely, 2^20310551404 is an apocalyptic number.

It is an amenable number.

20310551404 is an abundant number, since it is smaller than the sum of its proper divisors (21446807204).

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

20310551404 is a wasteful number, since it uses less digits than its factorization.

20310551404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35507985 (or 35507983 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 20310551404 in words is "twenty billion, three hundred ten million, five hundred fifty-one thousand, four hundred four".