5420520 has 160 divisors (see below), whose sum is σ = 20908800. Its totient is φ = 1233792.

The previous prime is 5420509. The next prime is 5420531. The reversal of 5420520 is 250245.

It is an interprime number because it is at equal distance from previous prime (5420509) and next prime (5420531).

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 = 5420493 and 5420502.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22561 + ... + 22799.

It is an arithmetic number, because the mean of its divisors is an integer number (130680).

Almost surely, 2^5420520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5420520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10454400).

5420520 is an abundant number, since it is smaller than the sum of its proper divisors (15488280).

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

5420520 is a wasteful number, since it uses less digits than its factorization.

5420520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 5420520 is about 2328.2010222487. The cubic root of 5420520 is about 175.6630087482.

Adding to 5420520 its reverse (250245), we get a palindrome (5670765).

The spelling of 5420520 in words is "five million, four hundred twenty thousand, five hundred twenty".