20022002102002 has 12 divisors (see below), whose sum is σ = 30866643858330. Its totient is φ = 9740433453696.

The previous prime is 20022002101991. The next prime is 20022002102021. The reversal of 20022002102002 is 20020120022002.

It can be written as a sum of positive squares in 3 ways, for example, as 18571781631001 + 1450220471001 = 4309499^2 + 1204251^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3656316127 + ... + 3656321602.

Almost surely, 2^{20022002102002} is an apocalyptic number.

20022002102002 is a deficient number, since it is larger than the sum of its proper divisors (10844641756328).

20022002102002 is an equidigital number, since it uses as much as digits as its factorization.

20022002102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7312637805 (or 7312637768 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20022002102002 its reverse (20020120022002), we get a palindrome (40042122124004).

The spelling of 20022002102002 in words is "twenty trillion, twenty-two billion, two million, one hundred two thousand, two".