4000020202 has 8 divisors (see below), whose sum is σ = 6352973316. Its totient is φ = 1882362432.

The previous prime is 4000020127. The next prime is 4000020203. The reversal of 4000020202 is 2020200004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3112635681 + 887384521 = 55791^2 + 29789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

4000020202 is a modest number, since divided by 20202 gives 4000 as remainder.

It is not an unprimeable number, because it can be changed into a prime (4000020203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58823793 + ... + 58823860.

Almost surely, 2^4000020202 is an apocalyptic number.

4000020202 is a deficient number, since it is larger than the sum of its proper divisors (2352953114).

4000020202 is a wasteful number, since it uses less digits than its factorization.

4000020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117647672.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 4000020202 is about 63245.7129139992. The cubic root of 4000020202 is about 1587.4037243534.

Adding to 4000020202 its reverse (2020200004), we get a palindrome (6020220206).

The spelling of 4000020202 in words is "four billion, twenty thousand, two hundred two".