2020021123 has 8 divisors (see below), whose sum is σ = 2051110928. Its totient is φ = 1988959104.

The previous prime is 2020021121. The next prime is 2020021139. The reversal of 2020021123 is 3211200202.

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 2020021123 - 2¹ = 2020021121 is a prime.

It is a super-2 number, since 2×2020021123² = 8160970674732362258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020021121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176215 + ... + 187327.

It is an arithmetic number, because the mean of its divisors is an integer number (256388866).

Almost surely, 2^2020021123 is an apocalyptic number.

2020021123 is a deficient number, since it is larger than the sum of its proper divisors (31089805).

2020021123 is a wasteful number, since it uses less digits than its factorization.

2020021123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13893.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2020021123 is about 44944.6450981649. The cubic root of 2020021123 is about 1264.1112710739. Note that the first 3 decimals are identical.

Adding to 2020021123 its reverse (3211200202), we get a palindrome (5231221325).

The spelling of 2020021123 in words is "two billion, twenty million, twenty-one thousand, one hundred twenty-three".