1122020004220 has 96 divisors (see below), whose sum is σ = 2393409876480. Its totient is φ = 441801696000.

The previous prime is 1122020004199. The next prime is 1122020004277. The reversal of 1122020004220 is 224000202211.

It is a junction number, because it is equal to n+sod(n) for n = 1122020004194 and 1122020004203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150059122 + ... + 150066598.

It is an arithmetic number, because the mean of its divisors is an integer number (24931352880).

Almost surely, 2^{1122020004220} is an apocalyptic number.

1122020004220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122020004220 is an abundant number, since it is smaller than the sum of its proper divisors (1271389872260).

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

1122020004220 is a wasteful number, since it uses less digits than its factorization.

1122020004220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8083 (or 8081 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1122020004220 its reverse (224000202211), we get a palindrome (1346020206431).

The spelling of 1122020004220 in words is "one trillion, one hundred twenty-two billion, twenty million, four thousand, two hundred twenty".