20042231523461 has 8 divisors (see below), whose sum is σ = 23644291567104. Its totient is φ = 16624892507760.

The previous prime is 20042231523437. The next prime is 20042231523463. The reversal of 20042231523461 is 16432513224002.

It is a happy number.

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 20042231523461 - 2⁶ = 20042231523397 is a prime.

It is a super-3 number, since 3×20042231523461³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042231523463) 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 7 ways as a sum of consecutive naturals, for example, 46180256750 + ... + 46180257183.

It is an arithmetic number, because the mean of its divisors is an integer number (2955536445888).

Almost surely, 2^{20042231523461} is an apocalyptic number.

It is an amenable number.

20042231523461 is a deficient number, since it is larger than the sum of its proper divisors (3602060043643).

20042231523461 is an equidigital number, since it uses as much as digits as its factorization.

20042231523461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92360513971.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 20042231523461 its reverse (16432513224002), we get a palindrome (36474744747463).

The spelling of 20042231523461 in words is "twenty trillion, forty-two billion, two hundred thirty-one million, five hundred twenty-three thousand, four hundred sixty-one".