20331553523153 has 16 divisors (see below), whose sum is σ = 21153847617024. Its totient is φ = 19519841738880.

The previous prime is 20331553523129. The next prime is 20331553523191. The reversal of 20331553523153 is 35132535513302.

It is a cyclic number.

It is not a de Polignac number, because 20331553523153 - 2⁶ = 20331553523089 is a prime.

It is a super-2 number, since 2×20331553523153² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20331553523153.

It is not an unprimeable number, because it can be changed into a prime (20331553523123) 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 15 ways as a sum of consecutive naturals, for example, 5283626 + ... + 8281292.

It is an arithmetic number, because the mean of its divisors is an integer number (1322115476064).

Almost surely, 2^{20331553523153} is an apocalyptic number.

It is an amenable number.

20331553523153 is a deficient number, since it is larger than the sum of its proper divisors (822294093871).

20331553523153 is a wasteful number, since it uses less digits than its factorization.

20331553523153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999432.

The product of its (nonzero) digits is 607500, while the sum is 41.

The spelling of 20331553523153 in words is "twenty trillion, three hundred thirty-one billion, five hundred fifty-three million, five hundred twenty-three thousand, one hundred fifty-three".