4421020202 has 4 divisors (see below), whose sum is σ = 6631530306. Its totient is φ = 2210510100.

The previous prime is 4421020193. The next prime is 4421020211. The reversal of 4421020202 is 2020201244.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4421020193) and next prime (4421020211).

It can be written as a sum of positive squares in only one way, i.e., 2322372481 + 2098647721 = 48191^2 + 45811^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105255049 + ... + 1105255052.

Almost surely, 2^4421020202 is an apocalyptic number.

4421020202 is a deficient number, since it is larger than the sum of its proper divisors (2210510104).

4421020202 is a wasteful number, since it uses less digits than its factorization.

4421020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210510103.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 4421020202 is about 66490.7527555524. The cubic root of 4421020202 is about 1641.2478360043.

Adding to 4421020202 its reverse (2020201244), we get a palindrome (6441221446).

The spelling of 4421020202 in words is "four billion, four hundred twenty-one million, twenty thousand, two hundred two".