51333424342020 has 144 divisors (see below), whose sum is σ = 155842738571520. Its totient is φ = 13677368832000.

The previous prime is 51333424342003. The next prime is 51333424342021. The reversal of 51333424342020 is 2024342433315.

51333424342020 is a `hidden beast` number, since 5 + 13 + 3 + 3 + 4 + 2 + 434 + 202 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (51333424342021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2452730916 + ... + 2452751844.

It is an arithmetic number, because the mean of its divisors is an integer number (1082241240080).

Almost surely, 2^{51333424342020} is an apocalyptic number.

It is an amenable number.

51333424342020 is an abundant number, since it is smaller than the sum of its proper divisors (104509314229500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51333424342020 is a wasteful number, since it uses less digits than its factorization.

51333424342020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31786 (or 31781 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 51333424342020 its reverse (2024342433315), we get a palindrome (53357766775335).

The spelling of 51333424342020 in words is "fifty-one trillion, three hundred thirty-three billion, four hundred twenty-four million, three hundred forty-two thousand, twenty".