52030221140 has 24 divisors (see below), whose sum is σ = 109268575080. Its totient is φ = 20811115008.

The previous prime is 52030221119. The next prime is 52030221157. The reversal of 52030221140 is 4112203025.

52030221140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6587919556 + 45442301584 = 81166^2 + 213172^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506456 + ... + 600464.

It is an arithmetic number, because the mean of its divisors is an integer number (4552857295).

Almost surely, 2^52030221140 is an apocalyptic number.

It is an amenable number.

52030221140 is an abundant number, since it is smaller than the sum of its proper divisors (57238353940).

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

52030221140 is a wasteful number, since it uses less digits than its factorization.

52030221140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121691 (or 121689 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 52030221140 its reverse (4112203025), we get a palindrome (56142424165).

The spelling of 52030221140 in words is "fifty-two billion, thirty million, two hundred twenty-one thousand, one hundred forty".