101383020 has 72 divisors (see below), whose sum is σ = 317466240. Its totient is φ = 26161920.

The previous prime is 101383013. The next prime is 101383021. The reversal of 101383020 is 20383101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101382984 and 101383002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101383021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3505 + ... + 14664.

Almost surely, 2^101383020 is an apocalyptic number.

101383020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101383020 is an abundant number, since it is smaller than the sum of its proper divisors (216083220).

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

101383020 is a wasteful number, since it uses less digits than its factorization.

101383020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18215 (or 18210 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 101383020 is about 10068.9135461578. The cubic root of 101383020 is about 466.2888972238.

The spelling of 101383020 in words is "one hundred one million, three hundred eighty-three thousand, twenty".