2010211220220 has 72 divisors (see below), whose sum is σ = 6547545126864. Its totient is φ = 459476849664.

The previous prime is 2010211220191. The next prime is 2010211220221. The reversal of 2010211220220 is 220221120102.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2010211220220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010211220221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341869717 + ... + 341875596.

It is an arithmetic number, because the mean of its divisors is an integer number (90938126762).

Almost surely, 2^{2010211220220} is an apocalyptic number.

2010211220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010211220220 is an abundant number, since it is smaller than the sum of its proper divisors (4537333906644).

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

2010211220220 is a wasteful number, since it uses less digits than its factorization.

2010211220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683745339 (or 683745330 counting only the distinct ones).

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

Adding to 2010211220220 its reverse (220221120102), we get a palindrome (2230432340322).

It can be divided in two parts, 201021 and 1220220, that added together give a palindrome (1421241).

The spelling of 2010211220220 in words is "two trillion, ten billion, two hundred eleven million, two hundred twenty thousand, two hundred twenty".