101820230 has 8 divisors (see below), whose sum is σ = 183276432. Its totient is φ = 40728088.

The previous prime is 101820227. The next prime is 101820233. The reversal of 101820230 is 32028101.

It is an interprime number because it is at equal distance from previous prime (101820227) and next prime (101820233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 101820199 and 101820208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101820233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5091002 + ... + 5091021.

It is an arithmetic number, because the mean of its divisors is an integer number (22909554).

Almost surely, 2^101820230 is an apocalyptic number.

101820230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101820230 is a deficient number, since it is larger than the sum of its proper divisors (81456202).

101820230 is a wasteful number, since it uses less digits than its factorization.

101820230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10182030.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 101820230 is about 10090.6010722850. The cubic root of 101820230 is about 466.9582197398.

Adding to 101820230 its reverse (32028101), we get a palindrome (133848331).

The spelling of 101820230 in words is "one hundred one million, eight hundred twenty thousand, two hundred thirty".