20102202212202 has 48 divisors (see below), whose sum is σ = 47595240699552. Its totient is φ = 6081198920160.

The previous prime is 20102202212201. The next prime is 20102202212333. The reversal of 20102202212202 is 20221220220102.

20102202212202 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 220 + 221 + 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 (20102202212201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86362713 + ... + 86595164.

It is an arithmetic number, because the mean of its divisors is an integer number (991567514574).

Almost surely, 2^{20102202212202} is an apocalyptic number.

20102202212202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20102202212202 is an abundant number, since it is smaller than the sum of its proper divisors (27493038487350).

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

20102202212202 is a wasteful number, since it uses less digits than its factorization.

20102202212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172958483 (or 172958480 counting only the distinct ones).

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

Adding to 20102202212202 its reverse (20221220220102), we get a palindrome (40323422432304).

It can be divided in two parts, 20102 and 202212202, that multiplied together give a palindrome (4064869684604).

The spelling of 20102202212202 in words is "twenty trillion, one hundred two billion, two hundred two million, two hundred twelve thousand, two hundred two".