20373890255 has 8 divisors (see below), whose sum is σ = 24758145600. Its totient is φ = 16092794016.

The previous prime is 20373890249. The next prime is 20373890267. The reversal of 20373890255 is 55209837302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20373890255 - 2⁴ = 20373890239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25789340 + ... + 25790129.

It is an arithmetic number, because the mean of its divisors is an integer number (3094768200).

Almost surely, 2^20373890255 is an apocalyptic number.

20373890255 is a deficient number, since it is larger than the sum of its proper divisors (4384255345).

20373890255 is an equidigital number, since it uses as much as digits as its factorization.

20373890255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51579553.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 20373890255 in words is "twenty billion, three hundred seventy-three million, eight hundred ninety thousand, two hundred fifty-five".