20021202112202 has 32 divisors (see below), whose sum is σ = 32332378908672. Its totient is φ = 9264833270784.

The previous prime is 20021202112201. The next prime is 20021202112243. The reversal of 20021202112202 is 20221120212002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (20021202112201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20028368 + ... + 21004235.

It is an arithmetic number, because the mean of its divisors is an integer number (1010386840896).

Almost surely, 2^{20021202112202} is an apocalyptic number.

20021202112202 is a deficient number, since it is larger than the sum of its proper divisors (12311176796470).

20021202112202 is a wasteful number, since it uses less digits than its factorization.

20021202112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41032862.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20021202112202 its reverse (20221120212002), we get a palindrome (40242322324204).

The spelling of 20021202112202 in words is "twenty trillion, twenty-one billion, two hundred two million, one hundred twelve thousand, two hundred two".