20807663000 has 64 divisors (see below), whose sum is σ = 50806941120. Its totient is φ = 7961184000.

The previous prime is 20807662999. The next prime is 20807663003. The reversal of 20807663000 is 36670802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20807663003) 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 15 ways as a sum of consecutive naturals, for example, 429341 + ... + 475340.

It is an arithmetic number, because the mean of its divisors is an integer number (793858455).

Almost surely, 2^20807663000 is an apocalyptic number.

20807663000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20807663000 is an abundant number, since it is smaller than the sum of its proper divisors (29999278120).

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

20807663000 is a wasteful number, since it uses less digits than its factorization.

20807663000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904725 (or 904711 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 20807663000 in words is "twenty billion, eight hundred seven million, six hundred sixty-three thousand".