20012201222202 has 48 divisors (see below), whose sum is σ = 50608362984192. Its totient is φ = 5596117057440.

The previous prime is 20012201222197. The next prime is 20012201222269. The reversal of 20012201222202 is 20222210221002.

20012201222202 is a `hidden beast` number, since 20 + 0 + 1 + 220 + 1 + 222 + 202 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1689642949 + ... + 1689654792.

It is an arithmetic number, because the mean of its divisors is an integer number (1054340895504).

Almost surely, 2^{20012201222202} is an apocalyptic number.

20012201222202 is an abundant number, since it is smaller than the sum of its proper divisors (30596161761990).

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

20012201222202 is a wasteful number, since it uses less digits than its factorization.

20012201222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379297803 (or 3379297800 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20012201222202 its reverse (20222210221002), we get a palindrome (40234411443204).

The spelling of 20012201222202 in words is "twenty trillion, twelve billion, two hundred one million, two hundred twenty-two thousand, two hundred two".