655820202 has 16 divisors (see below), whose sum is σ = 1312235712. Its totient is φ = 218507520.

The previous prime is 655820177. The next prime is 655820213. The reversal of 655820202 is 202028556.

It is a self number, because there is not a number n which added to its sum of digits gives 655820202.

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, 9783 + ... + 37514.

It is an arithmetic number, because the mean of its divisors is an integer number (82014732).

Almost surely, 2^655820202 is an apocalyptic number.

655820202 is an abundant number, since it is smaller than the sum of its proper divisors (656415510).

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

655820202 is a wasteful number, since it uses less digits than its factorization.

655820202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49613.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 655820202 is about 25608.9867429385. The cubic root of 655820202 is about 868.8169068633.

Adding to 655820202 its reverse (202028556), we get a palindrome (857848758).

The spelling of 655820202 in words is "six hundred fifty-five million, eight hundred twenty thousand, two hundred two".