1920055520242 has 16 divisors (see below), whose sum is σ = 2883733816320. Its totient is φ = 958811622912.

The previous prime is 1920055520233. The next prime is 1920055520261. The reversal of 1920055520242 is 2420255500291.

It is a super-2 number, since 2×1920055520242² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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, 5301298 + ... + 5651890.

It is an arithmetic number, because the mean of its divisors is an integer number (180233363520).

Almost surely, 2^{1920055520242} is an apocalyptic number.

1920055520242 is a deficient number, since it is larger than the sum of its proper divisors (963678296078).

1920055520242 is a wasteful number, since it uses less digits than its factorization.

1920055520242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354057.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 1920055520242 in words is "one trillion, nine hundred twenty billion, fifty-five million, five hundred twenty thousand, two hundred forty-two".