53120214020 has 24 divisors (see below), whose sum is σ = 114567382104. Its totient is φ = 20673812736.

The previous prime is 53120214011. The next prime is 53120214053. The reversal of 53120214020 is 2041202135.

It can be written as a sum of positive squares in 4 ways, for example, as 15142779136 + 37977434884 = 123056^2 + 194878^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 53120213983 and 53120214001.

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, 35891297 + ... + 35892776.

It is an arithmetic number, because the mean of its divisors is an integer number (4773640921).

Almost surely, 2^53120214020 is an apocalyptic number.

It is an amenable number.

53120214020 is an abundant number, since it is smaller than the sum of its proper divisors (61447168084).

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

53120214020 is a wasteful number, since it uses less digits than its factorization.

53120214020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71784119 (or 71784117 counting only the distinct ones).

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

Adding to 53120214020 its reverse (2041202135), we get a palindrome (55161416155).

The spelling of 53120214020 in words is "fifty-three billion, one hundred twenty million, two hundred fourteen thousand, twenty".