51022520230 has 32 divisors (see below), whose sum is σ = 100207860480. Its totient is φ = 18550276320.

The previous prime is 51022520207. The next prime is 51022520231. The reversal of 51022520230 is 3202522015.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51022520231) 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, 612841 + ... + 691099.

It is an arithmetic number, because the mean of its divisors is an integer number (3131495640).

Almost surely, 2^51022520230 is an apocalyptic number.

51022520230 is a deficient number, since it is larger than the sum of its proper divisors (49185340250).

51022520230 is a wasteful number, since it uses less digits than its factorization.

51022520230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84204.

The product of its (nonzero) digits is 1200, while the sum is 22.

The spelling of 51022520230 in words is "fifty-one billion, twenty-two million, five hundred twenty thousand, two hundred thirty".