22011030020 has 48 divisors (see below), whose sum is σ = 53053273728. Its totient is φ = 7514238720.

The previous prime is 22011029993. The next prime is 22011030047. The reversal of 22011030020 is 2003011022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22011029993) and next prime (22011030047).

It is a junction number, because it is equal to n+sod(n) for n = 22011029983 and 22011030010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304766 + ... + 370005.

It is an arithmetic number, because the mean of its divisors is an integer number (1105276536).

Almost surely, 2^22011030020 is an apocalyptic number.

22011030020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011030020 is an abundant number, since it is smaller than the sum of its proper divisors (31042243708).

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

22011030020 is a wasteful number, since it uses less digits than its factorization.

22011030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675020 (or 675018 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 22011030020 its reverse (2003011022), we get a palindrome (24014041042).

The spelling of 22011030020 in words is "twenty-two billion, eleven million, thirty thousand, twenty".