20137334412771 has 16 divisors (see below), whose sum is σ = 29838837520800. Its totient is φ = 13422302332704.

The previous prime is 20137334412763. The next prime is 20137334412787. The reversal of 20137334412771 is 17721443373102.

20137334412771 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 7 + 334 + 41 + 277 + 1 = 666.

It is not a de Polignac number, because 20137334412771 - 2³ = 20137334412763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20137334412731) 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, 71726076 + ... + 72006281.

It is an arithmetic number, because the mean of its divisors is an integer number (1864927345050).

Almost surely, 2^{20137334412771} is an apocalyptic number.

20137334412771 is a deficient number, since it is larger than the sum of its proper divisors (9701503108029).

20137334412771 is a wasteful number, since it uses less digits than its factorization.

20137334412771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143737555 (or 143737549 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

Adding to 20137334412771 its reverse (17721443373102), we get a palindrome (37858777785873).

The spelling of 20137334412771 in words is "twenty trillion, one hundred thirty-seven billion, three hundred thirty-four million, four hundred twelve thousand, seven hundred seventy-one".