20610200 has 48 divisors (see below), whose sum is σ = 51611280. Its totient is φ = 7608960.

The previous prime is 20610199. The next prime is 20610211. The reversal of 20610200 is 201602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1364 + ... + 6563.

It is an arithmetic number, because the mean of its divisors is an integer number (1075235).

Almost surely, 2^20610200 is an apocalyptic number.

20610200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20610200 is an abundant number, since it is smaller than the sum of its proper divisors (31001080).

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

20610200 is a wasteful number, since it uses less digits than its factorization.

20610200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7956 (or 7947 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20610200 is about 4539.8458123597. The cubic root of 20610200 is about 274.1747158550.

Adding to 20610200 its reverse (201602), we get a palindrome (20811802).

The spelling of 20610200 in words is "twenty million, six hundred ten thousand, two hundred".