222020011020 has 48 divisors (see below), whose sum is σ = 636818380128. Its totient is φ = 57761303040.

The previous prime is 222020011007. The next prime is 222020011091. The reversal of 222020011020 is 20110020222.

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 = 222020010987 and 222020011005.

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, 45123559 + ... + 45128478.

It is an arithmetic number, because the mean of its divisors is an integer number (13267049586).

Almost surely, 2^222020011020 is an apocalyptic number.

222020011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222020011020 is an abundant number, since it is smaller than the sum of its proper divisors (414798369108).

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

222020011020 is a wasteful number, since it uses less digits than its factorization.

222020011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90252090 (or 90252088 counting only the distinct ones).

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

Adding to 222020011020 its reverse (20110020222), we get a palindrome (242130031242).

The spelling of 222020011020 in words is "two hundred twenty-two billion, twenty million, eleven thousand, twenty".