20212202010 has 256 divisors, whose sum is σ = 66895331328. Its totient is φ = 3771878400.

The previous prime is 20212202009. The next prime is 20212202041. The reversal of 20212202010 is 1020221202.

It is a super-2 number, since 2×20212202010² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1102015 + ... + 1120205.

It is an arithmetic number, because the mean of its divisors is an integer number (261309888).

Almost surely, 2^20212202010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20212202010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33447665664).

20212202010 is an abundant number, since it is smaller than the sum of its proper divisors (46683129318).

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

20212202010 is a wasteful number, since it uses less digits than its factorization.

20212202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18269.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20212202010 its reverse (1020221202), we get a palindrome (21232423212).

It can be divided in two parts, 20212 and 202010, that added together give a palindrome (222222).

The spelling of 20212202010 in words is "twenty billion, two hundred twelve million, two hundred two thousand, ten".