104645220 has 24 divisors (see below), whose sum is σ = 293006784. Its totient is φ = 27905376.

The previous prime is 104645201. The next prime is 104645227. The reversal of 104645220 is 22546401.

It is not an unprimeable number, because it can be changed into a prime (104645227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871984 + ... + 872103.

It is an arithmetic number, because the mean of its divisors is an integer number (12208616).

Almost surely, 2^104645220 is an apocalyptic number.

104645220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104645220 is an abundant number, since it is smaller than the sum of its proper divisors (188361564).

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

104645220 is a wasteful number, since it uses less digits than its factorization.

104645220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744099 (or 1744097 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 104645220 is about 10229.6246265442. The cubic root of 104645220 is about 471.2374513236.

The spelling of 104645220 in words is "one hundred four million, six hundred forty-five thousand, two hundred twenty".