20663300700 has 216 divisors, whose sum is σ = 74192841632. Its totient is φ = 4712048640.

The previous prime is 20663300687. The next prime is 20663300767. The reversal of 20663300700 is 700336602.

20663300700 is a `hidden beast` number, since 20 + 6 + 633 + 0 + 0 + 7 + 0 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2875512 + ... + 2882688.

Almost surely, 2^20663300700 is an apocalyptic number.

20663300700 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 20663300700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37096420816).

20663300700 is an abundant number, since it is smaller than the sum of its proper divisors (53529540932).

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

20663300700 is a wasteful number, since it uses less digits than its factorization.

20663300700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7661 (or 7651 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The spelling of 20663300700 in words is "twenty billion, six hundred sixty-three million, three hundred thousand, seven hundred".