20473116 has 24 divisors (see below), whose sum is σ = 47873280. Its totient is φ = 6809712.

The previous prime is 20473109. The next prime is 20473121. The reversal of 20473116 is 61137402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5005 + ... + 8123.

It is an arithmetic number, because the mean of its divisors is an integer number (1994720).

Almost surely, 2^20473116 is an apocalyptic number.

It is an amenable number.

20473116 is an abundant number, since it is smaller than the sum of its proper divisors (27400164).

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

20473116 is a wasteful number, since it uses less digits than its factorization.

20473116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673 (or 3671 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 20473116 is about 4524.7227539375. The cubic root of 20473116 is about 273.5654931516.

The spelling of 20473116 in words is "twenty million, four hundred seventy-three thousand, one hundred sixteen".