222011020020 has 24 divisors (see below), whose sum is σ = 621630856224. Its totient is φ = 59202938656.

The previous prime is 222011020009. The next prime is 222011020103. The reversal of 222011020020 is 20020110222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 222011019978 and 222011020005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850091774 + ... + 1850091893.

It is an arithmetic number, because the mean of its divisors is an integer number (25901285676).

Almost surely, 2^222011020020 is an apocalyptic number.

222011020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222011020020 is an abundant number, since it is smaller than the sum of its proper divisors (399619836204).

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

222011020020 is a wasteful number, since it uses less digits than its factorization.

222011020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700183679 (or 3700183677 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 222011020020 its reverse (20020110222), we get a palindrome (242031130242).

The spelling of 222011020020 in words is "two hundred twenty-two billion, eleven million, twenty thousand, twenty".