103003020 has 36 divisors (see below), whose sum is σ = 312443040. Its totient is φ = 27467424.

The previous prime is 103002973. The next prime is 103003027. The reversal of 103003020 is 20300301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 103002993 and 103003011.

It is not an unprimeable number, because it can be changed into a prime (103003027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285940 + ... + 286299.

Almost surely, 2^103003020 is an apocalyptic number.

103003020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103003020 is an abundant number, since it is smaller than the sum of its proper divisors (209440020).

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

103003020 is a wasteful number, since it uses less digits than its factorization.

103003020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572254 (or 572249 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 103003020 is about 10149.0403487226. The cubic root of 103003020 is about 468.7593960783.

Adding to 103003020 its reverse (20300301), we get a palindrome (123303321).

The spelling of 103003020 in words is "one hundred three million, three thousand, twenty".