20120533376461 has 8 divisors (see below), whose sum is σ = 23073376161024. Its totient is φ = 17187310810320.

The previous prime is 20120533376443. The next prime is 20120533376477. The reversal of 20120533376461 is 16467333502102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20120533376461 - 2¹¹ = 20120533374413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120533376261) 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, 4905052405 + ... + 4905056506.

It is an arithmetic number, because the mean of its divisors is an integer number (2884172020128).

Almost surely, 2^{20120533376461} is an apocalyptic number.

It is an amenable number.

20120533376461 is a deficient number, since it is larger than the sum of its proper divisors (2952842784563).

20120533376461 is an equidigital number, since it uses as much as digits as its factorization.

20120533376461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9810109211.

The product of its (nonzero) digits is 544320, while the sum is 43.

Adding to 20120533376461 its reverse (16467333502102), we get a palindrome (36587866878563).

The spelling of 20120533376461 in words is "twenty trillion, one hundred twenty billion, five hundred thirty-three million, three hundred seventy-six thousand, four hundred sixty-one".