22011320020 has 48 divisors (see below), whose sum is σ = 46570608000. Its totient is φ = 8738559360.

The previous prime is 22011320003. The next prime is 22011320021. The reversal of 22011320020 is 2002311022.

It is a super-3 number, since 3×22011320020³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011320021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5597455 + ... + 5601385.

It is an arithmetic number, because the mean of its divisors is an integer number (970221000).

Almost surely, 2^22011320020 is an apocalyptic number.

22011320020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011320020 is an abundant number, since it is smaller than the sum of its proper divisors (24559287980).

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

22011320020 is a wasteful number, since it uses less digits than its factorization.

22011320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5968 (or 5966 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22011320020 its reverse (2002311022), we get a palindrome (24013631042).

The spelling of 22011320020 in words is "twenty-two billion, eleven million, three hundred twenty thousand, twenty".