101830020 has 96 divisors (see below), whose sum is σ = 302037120. Its totient is φ = 25589760.

The previous prime is 101830007. The next prime is 101830033. The reversal of 101830020 is 20038101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101830007) and next prime (101830033).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 74140 + ... + 75500.

It is an arithmetic number, because the mean of its divisors is an integer number (3146220).

Almost surely, 2^101830020 is an apocalyptic number.

101830020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101830020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151018560).

101830020 is an abundant number, since it is smaller than the sum of its proper divisors (200207100).

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

101830020 is a wasteful number, since it uses less digits than its factorization.

101830020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 101830020 is about 10091.0861655225. The cubic root of 101830020 is about 466.9731852480.

Adding to 101830020 its reverse (20038101), we get a palindrome (121868121).

The spelling of 101830020 in words is "one hundred one million, eight hundred thirty thousand, twenty".