20630255000 has 40 divisors (see below), whose sum is σ = 48336699180. Its totient is φ = 8252100000.

The previous prime is 20630254999. The next prime is 20630255027. The reversal of 20630255000 is 55203602.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2058026 + ... + 2068025.

Almost surely, 2^20630255000 is an apocalyptic number.

20630255000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20630255000 is an abundant number, since it is smaller than the sum of its proper divisors (27706444180).

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

20630255000 is an equidigital number, since it uses as much as digits as its factorization.

20630255000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126077 (or 4126058 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 20630255000 its reverse (55203602), we get a palindrome (20685458602).

The spelling of 20630255000 in words is "twenty billion, six hundred thirty million, two hundred fifty-five thousand".