52702220 has 24 divisors (see below), whose sum is σ = 113375808. Its totient is φ = 20566400.

The previous prime is 52702213. The next prime is 52702253. The reversal of 52702220 is 2220725.

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 = 52702192 and 52702201.

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, 31316 + ... + 32955.

It is an arithmetic number, because the mean of its divisors is an integer number (4723992).

Almost surely, 2^52702220 is an apocalyptic number.

It is an amenable number.

52702220 is an abundant number, since it is smaller than the sum of its proper divisors (60673588).

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

52702220 is a wasteful number, since it uses less digits than its factorization.

52702220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64321 (or 64319 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 52702220 is about 7259.6294671285. The cubic root of 52702220 is about 374.9237652438.

Adding to 52702220 its reverse (2220725), we get a palindrome (54922945).

The spelling of 52702220 in words is "fifty-two million, seven hundred two thousand, two hundred twenty".