22220011020020 has 48 divisors (see below), whose sum is σ = 51275587543488. Its totient is φ = 8021025864960.

The previous prime is 22220011019993. The next prime is 22220011020043. The reversal of 22220011020020 is 2002011002222.

It is a junction number, because it is equal to n+sod(n) for n = 22220011019977 and 22220011020004.

It is a congruent number.

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, 368583182 + ... + 368643461.

It is an arithmetic number, because the mean of its divisors is an integer number (1068241407156).

Almost surely, 2^{22220011020020} is an apocalyptic number.

22220011020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220011020020 is an abundant number, since it is smaller than the sum of its proper divisors (29055576523468).

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

22220011020020 is a wasteful number, since it uses less digits than its factorization.

22220011020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737226800 (or 737226798 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22220011020020 its reverse (2002011002222), we get a palindrome (24222022022242).

The spelling of 22220011020020 in words is "twenty-two trillion, two hundred twenty billion, eleven million, twenty thousand, twenty".