103204620 has 144 divisors (see below), whose sum is σ = 343193760. Its totient is φ = 24987648.

The previous prime is 103204613. The next prime is 103204643. The reversal of 103204620 is 26402301.

It is a happy number.

103204620 is a `hidden beast` number, since 10 + 32 + 0 + 4 + 620 = 666.

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 = 103204593 and 103204602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88159 + ... + 89321.

It is an arithmetic number, because the mean of its divisors is an integer number (2383290).

Almost surely, 2^103204620 is an apocalyptic number.

103204620 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 103204620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171596880).

103204620 is an abundant number, since it is smaller than the sum of its proper divisors (239989140).

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

103204620 is a wasteful number, since it uses less digits than its factorization.

103204620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 103204620 is about 10158.9674672183. The cubic root of 103204620 is about 469.0650191801.

Adding to 103204620 its reverse (26402301), we get a palindrome (129606921).

The spelling of 103204620 in words is "one hundred three million, two hundred four thousand, six hundred twenty".