2020153123242 has 32 divisors (see below), whose sum is σ = 4634043010560. Its totient is φ = 651662297280.

The previous prime is 2020153123223. The next prime is 2020153123243. The reversal of 2020153123242 is 2423213510202.

2020153123242 is a `hidden beast` number, since 2 + 0 + 20 + 1 + 5 + 312 + 324 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2020153123243) 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 in 15 ways as a sum of consecutive naturals, for example, 603389343 + ... + 603392690.

It is an arithmetic number, because the mean of its divisors is an integer number (144813844080).

Almost surely, 2^{2020153123242} is an apocalyptic number.

2020153123242 is an abundant number, since it is smaller than the sum of its proper divisors (2613889887318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020153123242 is a wasteful number, since it uses less digits than its factorization.

2020153123242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206782075 (or 1206782069 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 2020153123242 its reverse (2423213510202), we get a palindrome (4443366633444).

The spelling of 2020153123242 in words is "two trillion, twenty billion, one hundred fifty-three million, one hundred twenty-three thousand, two hundred forty-two".