2002020022 has 4 divisors (see below), whose sum is σ = 3003030036. Its totient is φ = 1001010010.

The previous prime is 2002019947. The next prime is 2002020029. The reversal of 2002020022 is 2200202002.

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

It is a junction number, because it is equal to n+sod(n) for n = 2002019990 and 2002020008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002020029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500505004 + ... + 500505007.

It is an arithmetic number, because the mean of its divisors is an integer number (750757509).

Almost surely, 2^2002020022 is an apocalyptic number.

2002020022 is a deficient number, since it is larger than the sum of its proper divisors (1001010014).

2002020022 is a wasteful number, since it uses less digits than its factorization.

2002020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001010013.

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

The square root of 2002020022 is about 44743.9383827575. The cubic root of 2002020022 is about 1260.3450852066.

Adding to 2002020022 its reverse (2200202002), we get a palindrome (4202222024).

It can be divided in two parts, 200202002 and 2, that multiplied together give a palindrome (400404004).

The spelling of 2002020022 in words is "two billion, two million, twenty thousand, twenty-two".