20327633489100 has 576 divisors, whose sum is σ = 70527261966336. Its totient is φ = 4419781893120.

The previous prime is 20327633489087. The next prime is 20327633489183. The reversal of 20327633489100 is 198433672302.

It is a self number, because there is not a number n which added to its sum of digits gives 20327633489100.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 8307164077 + ... + 8307166523.

It is an arithmetic number, because the mean of its divisors is an integer number (122443163136).

Almost surely, 2^{20327633489100} is an apocalyptic number.

20327633489100 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 20327633489100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35263630983168).

20327633489100 is an abundant number, since it is smaller than the sum of its proper divisors (50199628477236).

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

20327633489100 is a wasteful number, since it uses less digits than its factorization.

20327633489100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374 (or 3367 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 20327633489100 in words is "twenty trillion, three hundred twenty-seven billion, six hundred thirty-three million, four hundred eighty-nine thousand, one hundred".