606020420 has 24 divisors (see below), whose sum is σ = 1347504984. Its totient is φ = 228148736.

The previous prime is 606020419. The next prime is 606020423. The reversal of 606020420 is 24020606.

It can be written as a sum of positive squares in 4 ways, for example, as 49815364 + 556205056 = 7058^2 + 23584^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 606020392 and 606020401.

It is not an unprimeable number, because it can be changed into a prime (606020423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890867 + ... + 891546.

It is an arithmetic number, because the mean of its divisors is an integer number (56146041).

Almost surely, 2^606020420 is an apocalyptic number.

It is an amenable number.

606020420 is an abundant number, since it is smaller than the sum of its proper divisors (741484564).

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

606020420 is a wasteful number, since it uses less digits than its factorization.

606020420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782439 (or 1782437 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 606020420 is about 24617.4819995872. The cubic root of 606020420 is about 846.2442926712.

The spelling of 606020420 in words is "six hundred six million, twenty thousand, four hundred twenty".