20123133102001 has 16 divisors (see below), whose sum is σ = 20986988323840. Its totient is φ = 19272709002240.

The previous prime is 20123133101971. The next prime is 20123133102053. The reversal of 20123133102001 is 10020133132102.

It is a cyclic number.

It is not a de Polignac number, because 20123133102001 - 2³³ = 20114543167409 is a prime.

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 20123133102001.

It is not an unprimeable number, because it can be changed into a prime (20123133102101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151272820 + ... + 151405786.

It is an arithmetic number, because the mean of its divisors is an integer number (1311686770240).

Almost surely, 2^{20123133102001} is an apocalyptic number.

It is an amenable number.

20123133102001 is a deficient number, since it is larger than the sum of its proper divisors (863855221839).

20123133102001 is a wasteful number, since it uses less digits than its factorization.

20123133102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183424.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20123133102001 its reverse (10020133132102), we get a palindrome (30143266234103).

The spelling of 20123133102001 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty-three million, one hundred two thousand, one".