101310020 has 48 divisors (see below), whose sum is σ = 247150848. Its totient is φ = 34162560.

The previous prime is 101310019. The next prime is 101310091. The reversal of 101310020 is 20013101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2609 + ... + 14471.

It is an arithmetic number, because the mean of its divisors is an integer number (5148976).

Almost surely, 2^101310020 is an apocalyptic number.

101310020 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 101310020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123575424).

101310020 is an abundant number, since it is smaller than the sum of its proper divisors (145840828).

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

101310020 is a wasteful number, since it uses less digits than its factorization.

101310020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11940 (or 11938 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 101310020 is about 10065.2878746710. The cubic root of 101310020 is about 466.1769545381.

Adding to 101310020 its reverse (20013101), we get a palindrome (121323121).

The spelling of 101310020 in words is "one hundred one million, three hundred ten thousand, twenty".