2020153123357 has 2 divisors, whose sum is σ = 2020153123358. Its totient is φ = 2020153123356.

The previous prime is 2020153123349. The next prime is 2020153123369. The reversal of 2020153123357 is 7533213510202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1046469666841 + 973683456516 = 1022971^2 + 986754^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020153123357 - 2³ = 2020153123349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020153123657) 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 as a sum of consecutive naturals, namely, 1010076561678 + 1010076561679.

It is an arithmetic number, because the mean of its divisors is an integer number (1010076561679).

Almost surely, 2^{2020153123357} is an apocalyptic number.

It is an amenable number.

2020153123357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020153123357 is an equidigital number, since it uses as much as digits as its factorization.

2020153123357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 34.

Adding to 2020153123357 its reverse (7533213510202), we get a palindrome (9553366633559).

The spelling of 2020153123357 in words is "two trillion, twenty billion, one hundred fifty-three million, one hundred twenty-three thousand, three hundred fifty-seven".