2020153123355 has 4 divisors (see below), whose sum is σ = 2424183748032.
Its totient is φ = 1616122498680.
The previous prime is 2020153123349. The next prime is 2020153123357. The reversal of 2020153123355 is 5533213510202.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 2020153123355 - 28 = 2020153123099 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2020153123357) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 202015312331 + ... + 202015312340.
It is an arithmetic number, because the mean of its divisors is an integer number (606045937008).
Almost surely, 22020153123355 is an apocalyptic number.
2020153123355 is a deficient number, since it is larger than the sum of its proper divisors (404030624677).
2020153123355 is an equidigital number, since it uses as much as digits as its factorization.
2020153123355 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 404030624676.
The product of its (nonzero) digits is 27000, while the sum is 32.
Adding to 2020153123355 its reverse (5533213510202), we get a palindrome (7553366633557).
The spelling of 2020153123355 in words is "two trillion, twenty billion, one hundred fifty-three million, one hundred twenty-three thousand, three hundred fifty-five".