2020464 has 50 divisors (see below), whose sum is σ = 5851560. Its totient is φ = 673056.

The previous prime is 2020463. The next prime is 2020471. The reversal of 2020464 is 4640202.

2020464 is a `hidden beast` number, since 202 + 0 + 464 = 666.

2020464 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020463) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 517 + ... + 2075.

2^2020464 is an apocalyptic number.

2020464 is a gapful number since it is divisible by the number (24) 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 2020464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2925780).

2020464 is an abundant number, since it is smaller than the sum of its proper divisors (3831096).

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

2020464 is a wasteful number, since it uses less digits than its factorization.

2020464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2020464 is about 1421.4302656128. The cubic root of 2020464 is about 126.4203647154.

Adding to 2020464 its reverse (4640202), we get a palindrome (6660666).

The spelling of 2020464 in words is "two million, twenty thousand, four hundred sixty-four".