652205420 has 24 divisors (see below), whose sum is σ = 1373319024. Its totient is φ = 260179776.

The previous prime is 652205371. The next prime is 652205443. The reversal of 652205420 is 24502256.

It is a self number, because there is not a number n which added to its sum of digits gives 652205420.

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, 36254 + ... + 51173.

It is an arithmetic number, because the mean of its divisors is an integer number (57221626).

Almost surely, 2^652205420 is an apocalyptic number.

It is an amenable number.

652205420 is an abundant number, since it is smaller than the sum of its proper divisors (721113604).

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

652205420 is a wasteful number, since it uses less digits than its factorization.

652205420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87809 (or 87807 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 652205420 is about 25538.3127868698. The cubic root of 652205420 is about 867.2177024970.

Adding to 652205420 its reverse (24502256), we get a palindrome (676707676).

The spelling of 652205420 in words is "six hundred fifty-two million, two hundred five thousand, four hundred twenty".