20054420210000 has 150 divisors (see below), whose sum is σ = 53369008595826. Its totient is φ = 7292516000000.

The previous prime is 20054420209949. The next prime is 20054420210023. The reversal of 20054420210000 is 1202445002.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 10465017961024 + 9589402248976 = 3234968^2 + 3096676^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 29 ways as a sum of consecutive naturals, for example, 7076951 + ... + 9496950.

Almost surely, 2^{20054420210000} is an apocalyptic number.

20054420210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20054420210000 is an abundant number, since it is smaller than the sum of its proper divisors (33314588385826).

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

20054420210000 is a wasteful number, since it uses less digits than its factorization.

20054420210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16573951 (or 16573919 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 20054420210000 its reverse (1202445002), we get a palindrome (20055622655002).

The spelling of 20054420210000 in words is "twenty trillion, fifty-four billion, four hundred twenty million, two hundred ten thousand".