22211140020 has 192 divisors, whose sum is σ = 68699473920. Its totient is φ = 5342464512.

The previous prime is 22211140013. The next prime is 22211140027. The reversal of 22211140020 is 2004111222.

It is an interprime number because it is at equal distance from previous prime (22211140013) and next prime (22211140027).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211140027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1714407 + ... + 1727313.

It is an arithmetic number, because the mean of its divisors is an integer number (357809760).

Almost surely, 2^22211140020 is an apocalyptic number.

22211140020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22211140020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34349736960).

22211140020 is an abundant number, since it is smaller than the sum of its proper divisors (46488333900).

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

22211140020 is a wasteful number, since it uses less digits than its factorization.

22211140020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13014 (or 13012 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22211140020 its reverse (2004111222), we get a palindrome (24215251242).

The spelling of 22211140020 in words is "twenty-two billion, two hundred eleven million, one hundred forty thousand, twenty".