20022334321240 has 16 divisors (see below), whose sum is σ = 45050252222880. Its totient is φ = 8008933728480.

The previous prime is 20022334321211. The next prime is 20022334321243. The reversal of 20022334321240 is 4212343322002.

It is a super-3 number, since 3×20022334321240³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20022334321199 and 20022334321208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022334321243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250279178976 + ... + 250279179055.

It is an arithmetic number, because the mean of its divisors is an integer number (2815640763930).

Almost surely, 2^{20022334321240} is an apocalyptic number.

20022334321240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022334321240 is an abundant number, since it is smaller than the sum of its proper divisors (25027917901640).

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

20022334321240 is a wasteful number, since it uses less digits than its factorization.

20022334321240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500558358042 (or 500558358038 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20022334321240 its reverse (4212343322002), we get a palindrome (24234677643242).

The spelling of 20022334321240 in words is "twenty trillion, twenty-two billion, three hundred thirty-four million, three hundred twenty-one thousand, two hundred forty".