4264020 has 36 divisors (see below), whose sum is σ = 12934740. Its totient is φ = 1137024.

The previous prime is 4263979. The next prime is 4264021. The reversal of 4264020 is 204624.

4264020 is a `hidden beast` number, since 4 + 2 + 640 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 646416 + 3617604 = 804^2 + 1902^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 4263984 and 4264002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4264021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11665 + ... + 12024.

Almost surely, 2^4264020 is an apocalyptic number.

It is an amenable number.

4264020 is an abundant number, since it is smaller than the sum of its proper divisors (8670720).

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

4264020 is a wasteful number, since it uses less digits than its factorization.

4264020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23704 (or 23699 counting only the distinct ones).

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

The square root of 4264020 is about 2064.9503625995. The cubic root of 4264020 is about 162.1585096925.

Adding to 4264020 its reverse (204624), we get a palindrome (4468644).

The spelling of 4264020 in words is "four million, two hundred sixty-four thousand, twenty".