20941100208 has 240 divisors, whose sum is σ = 74036734560. Its totient is φ = 5631123456.

The previous prime is 20941100203. The next prime is 20941100221. The reversal of 20941100208 is 80200114902.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20941100203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 330760 + ... + 388952.

It is an arithmetic number, because the mean of its divisors is an integer number (308486394).

Almost surely, 2^20941100208 is an apocalyptic number.

20941100208 is a gapful number since it is divisible by the number (28) 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 20941100208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37018367280).

20941100208 is an abundant number, since it is smaller than the sum of its proper divisors (53095634352).

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

20941100208 is a wasteful number, since it uses less digits than its factorization.

20941100208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58241 (or 58222 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 20941100208 in words is "twenty billion, nine hundred forty-one million, one hundred thousand, two hundred eight".