20202202022202 has 64 divisors (see below), whose sum is σ = 46464876201600. Its totient is φ = 6498633576960.

The previous prime is 20202202022143. The next prime is 20202202022207. The reversal of 20202202022202 is 20222020220202.

20202202022202 is a `hidden beast` number, since 2 + 0 + 20 + 220 + 202 + 220 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20202202022207) 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, 39324 + ... + 6356567.

It is an arithmetic number, because the mean of its divisors is an integer number (726013690650).

Almost surely, 2^{20202202022202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20202202022202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23232438100800).

20202202022202 is an abundant number, since it is smaller than the sum of its proper divisors (26262674179398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20202202022202 is a wasteful number, since it uses less digits than its factorization.

20202202022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6397948 (or 6397942 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20202202022202 its reverse (20222020220202), we get a palindrome (40424222242404).

The spelling of 20202202022202 in words is "twenty trillion, two hundred two billion, two hundred two million, twenty-two thousand, two hundred two".