20468004 has 12 divisors (see below), whose sum is σ = 47758704. Its totient is φ = 6822664.

The previous prime is 20468003. The next prime is 20468011. The reversal of 20468004 is 40086402.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (20468003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852822 + ... + 852845.

It is an arithmetic number, because the mean of its divisors is an integer number (3979892).

Almost surely, 2^20468004 is an apocalyptic number.

It is an amenable number.

20468004 is an abundant number, since it is smaller than the sum of its proper divisors (27290700).

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

20468004 is a wasteful number, since it uses less digits than its factorization.

20468004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705674 (or 1705672 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 20468004 is about 4524.1578221808. The cubic root of 20468004 is about 273.5427220989.

The spelling of 20468004 in words is "twenty million, four hundred sixty-eight thousand, four".