2020651123 has 2 divisors, whose sum is σ = 2020651124. Its totient is φ = 2020651122.

The previous prime is 2020651111. The next prime is 2020651187. The reversal of 2020651123 is 3211560202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2020651123 - 2⁵ = 2020651091 is a prime.

It is a super-2 number, since 2×2020651123² = 8166061921762322258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2020651094 and 2020651103.

It is not a weakly prime, because it can be changed into another prime (2020651103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010325561 + 1010325562.

It is an arithmetic number, because the mean of its divisors is an integer number (1010325562).

Almost surely, 2^2020651123 is an apocalyptic number.

2020651123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020651123 is an equidigital number, since it uses as much as digits as its factorization.

2020651123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2020651123 is about 44951.6531731593. The cubic root of 2020651123 is about 1264.2426735485.

The spelling of 2020651123 in words is "two billion, twenty million, six hundred fifty-one thousand, one hundred twenty-three".