6460020 has 96 divisors (see below), whose sum is σ = 22982400. Its totient is φ = 1475712.

The previous prime is 6459991. The next prime is 6460031. The reversal of 6460020 is 200646.

6460020 is a `hidden beast` number, since 64 + 600 + 2 + 0 = 666.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6459975 and 6460002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2926 + ... + 4634.

It is an arithmetic number, because the mean of its divisors is an integer number (239400).

Almost surely, 2^6460020 is an apocalyptic number.

6460020 is a gapful number since it is divisible by the number (60) 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 6460020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11491200).

6460020 is an abundant number, since it is smaller than the sum of its proper divisors (16522380).

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

6460020 is a wasteful number, since it uses less digits than its factorization.

6460020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734 (or 1726 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 6460020 is about 2541.6569398721. The cubic root of 6460020 is about 186.2421404127.

Adding to 6460020 its reverse (200646), we get a palindrome (6660666).

It can be divided in two parts, 64600 and 20, that added together give a triangular number (64620 = T₃₅₉).

The spelling of 6460020 in words is "six million, four hundred sixty thousand, twenty".