104245020 has 288 divisors, whose sum is σ = 386830080. Its totient is φ = 22394880.

The previous prime is 104245007. The next prime is 104245049. The reversal of 104245020 is 20542401.

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 = 104244984 and 104245002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 639459 + ... + 639621.

It is an arithmetic number, because the mean of its divisors is an integer number (1343160).

Almost surely, 2^104245020 is an apocalyptic number.

104245020 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 104245020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193415040).

104245020 is an abundant number, since it is smaller than the sum of its proper divisors (282585060).

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

104245020 is a wasteful number, since it uses less digits than its factorization.

104245020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 104245020 is about 10210.0450537694. The cubic root of 104245020 is about 470.6359581688.

Adding to 104245020 its reverse (20542401), we get a palindrome (124787421).

The spelling of 104245020 in words is "one hundred four million, two hundred forty-five thousand, twenty".