22210011012020 has 24 divisors (see below), whose sum is σ = 50228794135464. Its totient is φ = 8200619450496.

The previous prime is 22210011012011. The next prime is 22210011012023. The reversal of 22210011012020 is 2021011001222.

It can be written as a sum of positive squares in 4 ways, for example, as 1451070796816 + 20758940215204 = 1204604^2 + 4556198^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22210011011986 and 22210011012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210011012023) 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, 42711559379 + ... + 42711559898.

It is an arithmetic number, because the mean of its divisors is an integer number (2092866422311).

Almost surely, 2^{22210011012020} is an apocalyptic number.

22210011012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22210011012020 is an abundant number, since it is smaller than the sum of its proper divisors (28018783123444).

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

22210011012020 is a wasteful number, since it uses less digits than its factorization.

22210011012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85423119299 (or 85423119297 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22210011012020 its reverse (2021011001222), we get a palindrome (24231022013242).

The spelling of 22210011012020 in words is "twenty-two trillion, two hundred ten billion, eleven million, twelve thousand, twenty".