2020641605023 has 4 divisors (see below), whose sum is σ = 2054889767880. Its totient is φ = 1986393442168.

The previous prime is 2020641604999. The next prime is 2020641605039. The reversal of 2020641605023 is 3205061460202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2020641605023 - 2⁵ = 2020641604991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020641605063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17124081340 + ... + 17124081457.

It is an arithmetic number, because the mean of its divisors is an integer number (513722441970).

Almost surely, 2^{2020641605023} is an apocalyptic number.

2020641605023 is a deficient number, since it is larger than the sum of its proper divisors (34248162857).

2020641605023 is an equidigital number, since it uses as much as digits as its factorization.

2020641605023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34248162856.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 2020641605023 in words is "two trillion, twenty billion, six hundred forty-one million, six hundred five thousand, twenty-three".