53013330020 has 192 divisors, whose sum is σ = 136317468672. Its totient is φ = 16934400000.

The previous prime is 53013330017. The next prime is 53013330049. The reversal of 53013330020 is 2003331035.

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 = 53013329974 and 53013330001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13248020 + ... + 13252020.

It is an arithmetic number, because the mean of its divisors is an integer number (709986816).

Almost surely, 2^53013330020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53013330020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68158734336).

53013330020 is an abundant number, since it is smaller than the sum of its proper divisors (83304138652).

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

53013330020 is a wasteful number, since it uses less digits than its factorization.

53013330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162 (or 4160 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 20.

Adding to 53013330020 its reverse (2003331035), we get a palindrome (55016661055).

The spelling of 53013330020 in words is "fifty-three billion, thirteen million, three hundred thirty thousand, twenty".