102090230 has 32 divisors (see below), whose sum is σ = 211023360. Its totient is φ = 35169120.

The previous prime is 102090229. The next prime is 102090239. The reversal of 102090230 is 32090201.

It is a super-2 number, since 2×102090230² = 20844830122905800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102090199 and 102090208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102090239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22334 + ... + 26513.

It is an arithmetic number, because the mean of its divisors is an integer number (6594480).

Almost surely, 2^102090230 is an apocalyptic number.

102090230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102090230 is an abundant number, since it is smaller than the sum of its proper divisors (108933130).

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

102090230 is a wasteful number, since it uses less digits than its factorization.

102090230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48884.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 102090230 is about 10103.9710015419. The cubic root of 102090230 is about 467.3706048519.

The spelling of 102090230 in words is "one hundred two million, ninety thousand, two hundred thirty".