22020221010 has 64 divisors (see below), whose sum is σ = 54650179584. Its totient is φ = 5672548800.

The previous prime is 22020220997. The next prime is 22020221029. The reversal of 22020221010 is 1012202022.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510297 + ... + 551763.

It is an arithmetic number, because the mean of its divisors is an integer number (853909056).

Almost surely, 2^22020221010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22020221010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27325089792).

22020221010 is an abundant number, since it is smaller than the sum of its proper divisors (32629958574).

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

22020221010 is a wasteful number, since it uses less digits than its factorization.

22020221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42079.

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

Adding to 22020221010 its reverse (1012202022), we get a palindrome (23032423032).

The spelling of 22020221010 in words is "twenty-two billion, twenty million, two hundred twenty-one thousand, ten".