20202220100002 has 8 divisors (see below), whose sum is σ = 30304336560876. Its totient is φ = 10100774579712.

The previous prime is 20202220099987. The next prime is 20202220100107. The reversal of 20202220100002 is 20000102220202.

It can be written as a sum of positive squares in 2 ways, for example, as 13161375435321 + 7040844664681 = 3627861^2 + 2653459^2 .

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, 167659863 + ... + 167780314.

Almost surely, 2^{20202220100002} is an apocalyptic number.

20202220100002 is a deficient number, since it is larger than the sum of its proper divisors (10102116460874).

20202220100002 is a wasteful number, since it uses less digits than its factorization.

20202220100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335470292.

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

Adding to 20202220100002 its reverse (20000102220202), we get a palindrome (40202322320204).

The spelling of 20202220100002 in words is "twenty trillion, two hundred two billion, two hundred twenty million, one hundred thousand, two".