20201210022210 has 192 divisors, whose sum is σ = 57395491608960. Its totient is φ = 4536453841920.

The previous prime is 20201210022043. The next prime is 20201210022239. The reversal of 20201210022210 is 1222001210202.

It is a super-2 number, since 2×20201210022210² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20201210022210.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 20048565 + ... + 21032055.

It is an arithmetic number, because the mean of its divisors is an integer number (298934852130).

Almost surely, 2^{20201210022210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20201210022210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28697745804480).

20201210022210 is an abundant number, since it is smaller than the sum of its proper divisors (37194281586750).

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

20201210022210 is a wasteful number, since it uses less digits than its factorization.

20201210022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983761 (or 983754 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20201210022210 its reverse (1222001210202), we get a palindrome (21423211232412).

The spelling of 20201210022210 in words is "twenty trillion, two hundred one billion, two hundred ten million, twenty-two thousand, two hundred ten".