20860200 has 96 divisors (see below), whose sum is σ = 71870400. Its totient is φ = 5561280.

The previous prime is 20860199. The next prime is 20860201. The reversal of 20860200 is 206802.

It is an interprime number because it is at equal distance from previous prime (20860199) and next prime (20860201).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20860201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3469 + ... + 7331.

It is an arithmetic number, because the mean of its divisors is an integer number (748650).

Almost surely, 2^20860200 is an apocalyptic number.

20860200 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 20860200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35935200).

20860200 is an abundant number, since it is smaller than the sum of its proper divisors (51010200).

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

20860200 is a wasteful number, since it uses less digits than its factorization.

20860200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3888 (or 3873 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 20860200 is about 4567.2967935093. The cubic root of 20860200 is about 275.2788356370.

The spelling of 20860200 in words is "twenty million, eight hundred sixty thousand, two hundred".