20202220420202 has 64 divisors (see below), whose sum is σ = 33504653445120. Its totient is φ = 9093064204224.

The previous prime is 20202220420201. The next prime is 20202220420247. The reversal of 20202220420202 is 20202402220202.

It is not an unprimeable number, because it can be changed into a prime (20202220420201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 727653173 + ... + 727680935.

It is an arithmetic number, because the mean of its divisors is an integer number (523510210080).

Almost surely, 2^{20202220420202} is an apocalyptic number.

20202220420202 is a deficient number, since it is larger than the sum of its proper divisors (13302433024918).

20202220420202 is a wasteful number, since it uses less digits than its factorization.

20202220420202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33267.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20202220420202 its reverse (20202402220202), we get a palindrome (40404622640404).

The spelling of 20202220420202 in words is "twenty trillion, two hundred two billion, two hundred twenty million, four hundred twenty thousand, two hundred two".