20201124042321 has 12 divisors (see below), whose sum is σ = 28427066520912. Its totient is φ = 12758604657624.

The previous prime is 20201124042271. The next prime is 20201124042347. The reversal of 20201124042321 is 12324042110202.

It is not a de Polignac number, because 20201124042321 - 2²⁵ = 20201090487889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20201124042291 and 20201124042300.

It is not an unprimeable number, because it can be changed into a prime (20201125042321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9326464311 + ... + 9326466476.

It is an arithmetic number, because the mean of its divisors is an integer number (2368922210076).

Almost surely, 2^{20201124042321} is an apocalyptic number.

It is an amenable number.

20201124042321 is a deficient number, since it is larger than the sum of its proper divisors (8225942478591).

20201124042321 is a wasteful number, since it uses less digits than its factorization.

20201124042321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18652930828 (or 18652930809 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20201124042321 its reverse (12324042110202), we get a palindrome (32525166152523).

The spelling of 20201124042321 in words is "twenty trillion, two hundred one billion, one hundred twenty-four million, forty-two thousand, three hundred twenty-one".