20212202210202 has 48 divisors (see below), whose sum is σ = 44696138928480. Its totient is φ = 6599296911456.

The previous prime is 20212202210191. The next prime is 20212202210219. The reversal of 20212202210202 is 20201220221202.

20212202210202 is a `hidden beast` number, since 2 + 0 + 21 + 220 + 221 + 0 + 202 = 666.

It is a super-2 number, since 2×20212202210202² (a number of 27 digits) contains 22 as substring.

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, 34059988 + ... + 34648335.

It is an arithmetic number, because the mean of its divisors is an integer number (931169561010).

Almost surely, 2^{20212202210202} is an apocalyptic number.

20212202210202 is an abundant number, since it is smaller than the sum of its proper divisors (24483936718278).

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

20212202210202 is a wasteful number, since it uses less digits than its factorization.

20212202210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68708667 (or 68708664 counting only the distinct ones).

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

Adding to 20212202210202 its reverse (20201220221202), we get a palindrome (40413422431404).

The spelling of 20212202210202 in words is "twenty trillion, two hundred twelve billion, two hundred two million, two hundred ten thousand, two hundred two".