20220021110020 has 24 divisors (see below), whose sum is σ = 42707489681304. Its totient is φ = 8041256948736.

The previous prime is 20220021109987. The next prime is 20220021110021. The reversal of 20220021110020 is 2001112002202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9418662792256 + 10801358317764 = 3068984^2 + 3286542^2 .

It is not an unprimeable number, because it can be changed into a prime (20220021110021) 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, 2921964909 + ... + 2921971828.

It is an arithmetic number, because the mean of its divisors is an integer number (1779478736721).

Almost surely, 2^{20220021110020} is an apocalyptic number.

20220021110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220021110020 is an abundant number, since it is smaller than the sum of its proper divisors (22487468571284).

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

20220021110020 is a wasteful number, since it uses less digits than its factorization.

20220021110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843936919 (or 5843936917 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20220021110020 its reverse (2001112002202), we get a palindrome (22221133112222).

The spelling of 20220021110020 in words is "twenty trillion, two hundred twenty billion, twenty-one million, one hundred ten thousand, twenty".