1920544252262 has 16 divisors (see below), whose sum is σ = 2923905738672. Its totient is φ = 945909909120.

The previous prime is 1920544252261. The next prime is 1920544252267. The reversal of 1920544252262 is 2622524450291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920544252261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4395818 + ... + 4812930.

It is an arithmetic number, because the mean of its divisors is an integer number (182744108667).

Almost surely, 2^{1920544252262} is an apocalyptic number.

1920544252262 is a deficient number, since it is larger than the sum of its proper divisors (1003361486410).

1920544252262 is a wasteful number, since it uses less digits than its factorization.

1920544252262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451543.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 1920544252262 in words is "one trillion, nine hundred twenty billion, five hundred forty-four million, two hundred fifty-two thousand, two hundred sixty-two".