1122020364 has 12 divisors (see below), whose sum is σ = 2618047544. Its totient is φ = 374006784.

The previous prime is 1122020363. The next prime is 1122020369. The reversal of 1122020364 is 4630202211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1122020364.

It is not an unprimeable number, because it can be changed into a prime (1122020363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46750837 + ... + 46750860.

Almost surely, 2^1122020364 is an apocalyptic number.

It is an amenable number.

1122020364 is an abundant number, since it is smaller than the sum of its proper divisors (1496027180).

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

1122020364 is a wasteful number, since it uses less digits than its factorization.

1122020364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93501704 (or 93501702 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1122020364 is about 33496.5724216673. The cubic root of 1122020364 is about 1039.1228933705.

Adding to 1122020364 its reverse (4630202211), we get a palindrome (5752222575).

The spelling of 1122020364 in words is "one billion, one hundred twenty-two million, twenty thousand, three hundred sixty-four".