1920050220403 has 16 divisors (see below), whose sum is σ = 2254450673664. Its totient is φ = 1601096015520.

The previous prime is 1920050220377. The next prime is 1920050220427. The reversal of 1920050220403 is 3040220500291.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1920050220403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1920050226403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17418168 + ... + 17528053.

It is an arithmetic number, because the mean of its divisors is an integer number (140903167104).

Almost surely, 2^{1920050220403} is an apocalyptic number.

1920050220403 is a deficient number, since it is larger than the sum of its proper divisors (334400453261).

1920050220403 is a wasteful number, since it uses less digits than its factorization.

1920050220403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34946442.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 1920050220403 its reverse (3040220500291), we get a palindrome (4960270720694).

The spelling of 1920050220403 in words is "one trillion, nine hundred twenty billion, fifty million, two hundred twenty thousand, four hundred three".