18800010 has 24 divisors (see below), whose sum is σ = 48880260. Its totient is φ = 5013312.

The previous prime is 18800003. The next prime is 18800027. The reversal of 18800010 is 1000881.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17918289 + 881721 = 4233^2 + 939^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104355 + ... + 104534.

Almost surely, 2^18800010 is an apocalyptic number.

18800010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18800010 is an abundant number, since it is smaller than the sum of its proper divisors (30080250).

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

18800010 is a wasteful number, since it uses less digits than its factorization.

18800010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208902 (or 208899 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 18800010 is about 4335.8978308996. The cubic root of 18800010 is about 265.9006261924.

Adding to 18800010 its reverse (1000881), we get a palindrome (19800891).

The spelling of 18800010 in words is "eighteen million, eight hundred thousand, ten".