4020220202 has 8 divisors (see below), whose sum is σ = 6049597476. Its totient is φ = 2003687712.

The previous prime is 4020220187. The next prime is 4020220219. The reversal of 4020220202 is 2020220204.

It can be written as a sum of positive squares in 2 ways, for example, as 3893635201 + 126585001 = 62399^2 + 11251^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3210413 + ... + 3211664.

Almost surely, 2^4020220202 is an apocalyptic number.

4020220202 is a deficient number, since it is larger than the sum of its proper divisors (2029377274).

4020220202 is a wasteful number, since it uses less digits than its factorization.

4020220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6422392.

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

The square root of 4020220202 is about 63405.2064266019. The cubic root of 4020220202 is about 1590.0713549982.

Adding to 4020220202 its reverse (2020220204), we get a palindrome (6040440406).

The spelling of 4020220202 in words is "four billion, twenty million, two hundred twenty thousand, two hundred two".