2102020023 has 8 divisors (see below), whose sum is σ = 2802928000. Its totient is φ = 1401229368.

The previous prime is 2102020003. The next prime is 2102020073. The reversal of 2102020023 is 3200202012.

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

It is not a de Polignac number, because 2102020023 - 2⁸ = 2102019767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102019990 and 2102020008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102020003) 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 7 ways as a sum of consecutive naturals, for example, 29118 + ... + 71076.

It is an arithmetic number, because the mean of its divisors is an integer number (350366000).

Almost surely, 2^2102020023 is an apocalyptic number.

2102020023 is a deficient number, since it is larger than the sum of its proper divisors (700907977).

2102020023 is a wasteful number, since it uses less digits than its factorization.

2102020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58661.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2102020023 is about 45847.7919097529. The cubic root of 2102020023 is about 1280.9896364767.

Adding to 2102020023 its reverse (3200202012), we get a palindrome (5302222035).

The spelling of 2102020023 in words is "two billion, one hundred two million, twenty thousand, twenty-three".