51020133300 has 108 divisors (see below), whose sum is σ = 161472685920. Its totient is φ = 13473253440.

The previous prime is 51020133293. The next prime is 51020133319. The reversal of 51020133300 is 333102015.

51020133300 is a `hidden beast` number, since 510 + 20 + 133 + 3 + 0 + 0 = 666.

51020133300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 182490 + ... + 367889.

Almost surely, 2^51020133300 is an apocalyptic number.

51020133300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51020133300 is an abundant number, since it is smaller than the sum of its proper divisors (110452552620).

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

51020133300 is a wasteful number, since it uses less digits than its factorization.

51020133300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550502 (or 550492 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

Adding to 51020133300 its reverse (333102015), we get a palindrome (51353235315).

The spelling of 51020133300 in words is "fifty-one billion, twenty million, one hundred thirty-three thousand, three hundred".