53020020 has 24 divisors (see below), whose sum is σ = 148456224. Its totient is φ = 14138656.

The previous prime is 53020003. The next prime is 53020039. The reversal of 53020020 is 2002035.

It is a super-2 number, since 2×53020020² = 5622245041600800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 53019978 and 53020005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441774 + ... + 441893.

It is an arithmetic number, because the mean of its divisors is an integer number (6185676).

Almost surely, 2^53020020 is an apocalyptic number.

It is an amenable number.

53020020 is an abundant number, since it is smaller than the sum of its proper divisors (95436204).

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

53020020 is a wasteful number, since it uses less digits than its factorization.

53020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883679 (or 883677 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 53020020 is about 7281.4847387054. The cubic root of 53020020 is about 375.6758655945.

Adding to 53020020 its reverse (2002035), we get a palindrome (55022055).

The spelling of 53020020 in words is "fifty-three million, twenty thousand, twenty".