20116232754553 has 8 divisors (see below), whose sum is σ = 21663688759496. Its totient is φ = 18568784390400.

The previous prime is 20116232754551. The next prime is 20116232754559. The reversal of 20116232754553 is 35545723261102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1146619064809 + 18969613689744 = 1070803^2 + 4355412^2 .

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 20116232754553 - 2¹ = 20116232754551 is a prime.

It is a super-4 number, since 4×20116232754553⁴ (a number of 54 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20116232754551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4307383 + ... + 7667203.

It is an arithmetic number, because the mean of its divisors is an integer number (2707961094937).

Almost surely, 2^{20116232754553} is an apocalyptic number.

It is an amenable number.

20116232754553 is a deficient number, since it is larger than the sum of its proper divisors (1547456004943).

20116232754553 is a wasteful number, since it uses less digits than its factorization.

20116232754553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820395.

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 20116232754553 in words is "twenty trillion, one hundred sixteen billion, two hundred thirty-two million, seven hundred fifty-four thousand, five hundred fifty-three".