20630882000 has 80 divisors (see below), whose sum is σ = 49965029712. Its totient is φ = 8239193600.

The previous prime is 20630881841. The next prime is 20630882003. The reversal of 20630882000 is 28803602.

It can be written as a sum of positive squares in 8 ways, for example, as 7117284496 + 13513597504 = 84364^2 + 116248^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20630882003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1298102 + ... + 1313898.

Almost surely, 2^20630882000 is an apocalyptic number.

20630882000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20630882000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24982514856).

20630882000 is an abundant number, since it is smaller than the sum of its proper divisors (29334147712).

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

20630882000 is a wasteful number, since it uses less digits than its factorization.

20630882000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16473 (or 16457 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 20630882000 in words is "twenty billion, six hundred thirty million, eight hundred eighty-two thousand".