20210220220110 has 16 divisors (see below), whose sum is σ = 48504528528336. Its totient is φ = 5389392058688.

The previous prime is 20210220220087. The next prime is 20210220220111. The reversal of 20210220220110 is 1102202201202.

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 20210220220110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210220220111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336837003639 + ... + 336837003698.

It is an arithmetic number, because the mean of its divisors is an integer number (3031533033021).

Almost surely, 2^{20210220220110} is an apocalyptic number.

20210220220110 is an abundant number, since it is smaller than the sum of its proper divisors (28294308308226).

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

20210220220110 is a wasteful number, since it uses less digits than its factorization.

20210220220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673674007347.

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

Adding to 20210220220110 its reverse (1102202201202), we get a palindrome (21312422421312).

The spelling of 20210220220110 in words is "twenty trillion, two hundred ten billion, two hundred twenty million, two hundred twenty thousand, one hundred ten".