4204002020 has 24 divisors (see below), whose sum is σ = 8831639544. Its totient is φ = 1680984576.

The previous prime is 4204002017. The next prime is 4204002079. The reversal of 4204002020 is 202004024.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34975396 + 4169026624 = 5914^2 + 64568^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4204001986 and 4204002004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19562 + ... + 93758.

It is an arithmetic number, because the mean of its divisors is an integer number (367984981).

Almost surely, 2^4204002020 is an apocalyptic number.

It is an amenable number.

4204002020 is an abundant number, since it is smaller than the sum of its proper divisors (4627637524).

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

4204002020 is a wasteful number, since it uses less digits than its factorization.

4204002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77039 (or 77037 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 4204002020 is about 64838.2758870098. The cubic root of 4204002020 is about 1613.9409415743.

Adding to 4204002020 its reverse (202004024), we get a palindrome (4406006044).

The spelling of 4204002020 in words is "four billion, two hundred four million, two thousand, twenty".