103442020 has 48 divisors (see below), whose sum is σ = 238081536. Its totient is φ = 37440000.

The previous prime is 103442011. The next prime is 103442029. The reversal of 103442020 is 20244301.

It is an interprime number because it is at equal distance from previous prime (103442011) and next prime (103442029).

It is a junction number, because it is equal to n+sod(n) for n = 103441985 and 103442003.

It is not an unprimeable number, because it can be changed into a prime (103442029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52045 + ... + 53995.

It is an arithmetic number, because the mean of its divisors is an integer number (4960032).

Almost surely, 2^103442020 is an apocalyptic number.

103442020 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 103442020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119040768).

103442020 is an abundant number, since it is smaller than the sum of its proper divisors (134639516).

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

103442020 is a wasteful number, since it uses less digits than its factorization.

103442020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212 (or 2210 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 103442020 is about 10170.6450139605. The cubic root of 103442020 is about 469.4244047741.

Adding to 103442020 its reverse (20244301), we get a palindrome (123686321).

It can be divided in two parts, 10344 and 2020, that multiplied together give a triangular number (20894880 = T₆₄₆₄).

The spelling of 103442020 in words is "one hundred three million, four hundred forty-two thousand, twenty".