2020123120311 has 18 divisors (see below), whose sum is σ = 3099696802592. Its totient is φ = 1267528230720.

The previous prime is 2020123120303. The next prime is 2020123120321. The reversal of 2020123120311 is 1130213210202.

2020123120311 is a `hidden beast` number, since 20 + 20 + 1 + 2 + 312 + 0 + 311 = 666.

It is not a de Polignac number, because 2020123120311 - 2³ = 2020123120303 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 (2020123120321) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 388333255 + ... + 388338456.

Almost surely, 2^{2020123120311} is an apocalyptic number.

2020123120311 is a deficient number, since it is larger than the sum of its proper divisors (1079573682281).

2020123120311 is a wasteful number, since it uses less digits than its factorization.

2020123120311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776671751 (or 776671731 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2020123120311 its reverse (1130213210202), we get a palindrome (3150336330513).

The spelling of 2020123120311 in words is "two trillion, twenty billion, one hundred twenty-three million, one hundred twenty thousand, three hundred eleven".