18801102 has 16 divisors (see below), whose sum is σ = 37653840. Its totient is φ = 6258432.

The previous prime is 18801091. The next prime is 18801103. The reversal of 18801102 is 20110881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18801103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3888 + ... + 7260.

It is an arithmetic number, because the mean of its divisors is an integer number (2353365).

Almost surely, 2^18801102 is an apocalyptic number.

18801102 is an abundant number, since it is smaller than the sum of its proper divisors (18852738).

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

18801102 is a wasteful number, since it uses less digits than its factorization.

18801102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4307.

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 18801102 is about 4336.0237545475. The cubic root of 18801102 is about 265.9057743787.

Adding to 18801102 its reverse (20110881), we get a palindrome (38911983).

The spelling of 18801102 in words is "eighteen million, eight hundred one thousand, one hundred two".