2020202003123 has 32 divisors (see below), whose sum is σ = 2223046425600. Its totient is φ = 1827317923200.

The previous prime is 2020202003117. The next prime is 2020202003153. The reversal of 2020202003123 is 3213002020202.

It is a cyclic number.

It is not a de Polignac number, because 2020202003123 - 2⁴ = 2020202003107 is a prime.

It is a super-2 number, since 2×2020202003123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020202003153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 943577633 + ... + 943579773.

It is an arithmetic number, because the mean of its divisors is an integer number (69470200800).

Almost surely, 2^{2020202003123} is an apocalyptic number.

2020202003123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2020202003123 is a deficient number, since it is larger than the sum of its proper divisors (202844422477).

2020202003123 is a wasteful number, since it uses less digits than its factorization.

2020202003123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5123.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 2020202003123 its reverse (3213002020202), we get a palindrome (5233204023325).

The spelling of 2020202003123 in words is "two trillion, twenty billion, two hundred two million, three thousand, one hundred twenty-three".