20042533704623 has 8 divisors (see below), whose sum is σ = 20170902495600. Its totient is φ = 19914347128768.

The previous prime is 20042533704619. The next prime is 20042533704643. The reversal of 20042533704623 is 32640733524002.

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 20042533704623 - 2² = 20042533704619 is a prime.

It is a super-2 number, since 2×20042533704623² (a number of 27 digits) contains 22 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 (20042533704643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45333086 + ... + 45773067.

It is an arithmetic number, because the mean of its divisors is an integer number (2521362811950).

Almost surely, 2^{20042533704623} is an apocalyptic number.

20042533704623 is a deficient number, since it is larger than the sum of its proper divisors (128368790977).

20042533704623 is a wasteful number, since it uses less digits than its factorization.

20042533704623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91107561.

The product of its (nonzero) digits is 725760, while the sum is 41.

The spelling of 20042533704623 in words is "twenty trillion, forty-two billion, five hundred thirty-three million, seven hundred four thousand, six hundred twenty-three".