610032220 has 72 divisors (see below), whose sum is σ = 1530686304. Its totient is φ = 200035968.

The previous prime is 610032217. The next prime is 610032239. The reversal of 610032220 is 22230016.

It is a junction number, because it is equal to n+sod(n) for n = 610032194 and 610032203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69942 + ... + 78178.

It is an arithmetic number, because the mean of its divisors is an integer number (21259532).

Almost surely, 2^610032220 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 610032220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (765343152).

610032220 is an abundant number, since it is smaller than the sum of its proper divisors (920654084).

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

610032220 is a wasteful number, since it uses less digits than its factorization.

610032220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8299 (or 8274 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 610032220 is about 24698.8303366779. The cubic root of 610032220 is about 848.1075405771.

Adding to 610032220 its reverse (22230016), we get a palindrome (632262236).

The spelling of 610032220 in words is "six hundred ten million, thirty-two thousand, two hundred twenty".