101743020 has 192 divisors, whose sum is σ = 335664000. Its totient is φ = 25546752.

The previous prime is 101743003. The next prime is 101743021. The reversal of 101743020 is 20347101.

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 = 101742984 and 101743002.

It is not an unprimeable number, because it can be changed into a prime (101743021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1143136 + ... + 1143224.

It is an arithmetic number, because the mean of its divisors is an integer number (1748250).

Almost surely, 2^101743020 is an apocalyptic number.

101743020 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 101743020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167832000).

101743020 is an abundant number, since it is smaller than the sum of its proper divisors (233920980).

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

101743020 is a wasteful number, since it uses less digits than its factorization.

101743020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 101743020 is about 10086.7745092274. The cubic root of 101743020 is about 466.8401588490.

The spelling of 101743020 in words is "one hundred one million, seven hundred forty-three thousand, twenty".