20022123203310 has 128 divisors (see below), whose sum is σ = 49459180193280. Its totient is φ = 5184475140096.

The previous prime is 20022123203281. The next prime is 20022123203321. The reversal of 20022123203310 is 1330232122002.

It is a happy number.

It is a super-2 number, since 2×20022123203310² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1001446674 + ... + 1001466666.

It is an arithmetic number, because the mean of its divisors is an integer number (386399845260).

Almost surely, 2^{20022123203310} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20022123203310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24729590096640).

20022123203310 is an abundant number, since it is smaller than the sum of its proper divisors (29437056989970).

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

20022123203310 is a wasteful number, since it uses less digits than its factorization.

20022123203310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24562.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20022123203310 its reverse (1330232122002), we get a palindrome (21352355325312).

The spelling of 20022123203310 in words is "twenty trillion, twenty-two billion, one hundred twenty-three million, two hundred three thousand, three hundred ten".