102020230 has 96 divisors (see below), whose sum is σ = 217720224. Its totient is φ = 34265088.

The previous prime is 102020227. The next prime is 102020239. The reversal of 102020230 is 32020201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1522657 + ... + 1522723.

It is an arithmetic number, because the mean of its divisors is an integer number (2267919).

Almost surely, 2^102020230 is an apocalyptic number.

102020230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102020230 is an abundant number, since it is smaller than the sum of its proper divisors (115699994).

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

102020230 is a wasteful number, since it uses less digits than its factorization.

102020230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 102020230 is about 10100.5064229473. The cubic root of 102020230 is about 467.2637600780.

Adding to 102020230 its reverse (32020201), we get a palindrome (134040431).

The spelling of 102020230 in words is "one hundred two million, twenty thousand, two hundred thirty".