20480418 has 32 divisors (see below), whose sum is σ = 52014720. Its totient is φ = 5851440.

The previous prime is 20480389. The next prime is 20480431. The reversal of 20480418 is 81408402.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20480391 and 20480400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26713 + ... + 27468.

It is an arithmetic number, because the mean of its divisors is an integer number (1625460).

Almost surely, 2^20480418 is an apocalyptic number.

20480418 is an abundant number, since it is smaller than the sum of its proper divisors (31534302).

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

20480418 is a wasteful number, since it uses less digits than its factorization.

20480418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54199 (or 54193 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 20480418 is about 4525.5295822699. The cubic root of 20480418 is about 273.5980128357.

The spelling of 20480418 in words is "twenty million, four hundred eighty thousand, four hundred eighteen".