2420020404 has 18 divisors (see below), whose sum is σ = 6117273890. Its totient is φ = 806673456.

The previous prime is 2420020357. The next prime is 2420020411. The reversal of 2420020404 is 4040200242.

2420020404 is a `hidden beast` number, since 242 + 0 + 0 + 20 + 404 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2414739600 + 5280804 = 49140^2 + 2298^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33611359 + ... + 33611430.

Almost surely, 2^2420020404 is an apocalyptic number.

It is an amenable number.

2420020404 is an abundant number, since it is smaller than the sum of its proper divisors (3697253486).

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

2420020404 is a wasteful number, since it uses less digits than its factorization.

2420020404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67222799 (or 67222794 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2420020404 is about 49193.7028896992. The cubic root of 2420020404 is about 1342.5784621703.

Adding to 2420020404 its reverse (4040200242), we get a palindrome (6460220646).

The spelling of 2420020404 in words is "two billion, four hundred twenty million, twenty thousand, four hundred four".