613432220 has 24 divisors (see below), whose sum is σ = 1288747824. Its totient is φ = 245270016.

The previous prime is 613432219. The next prime is 613432231. The reversal of 613432220 is 22234316.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58412 + ... + 68108.

It is an arithmetic number, because the mean of its divisors is an integer number (53697826).

Almost surely, 2^613432220 is an apocalyptic number.

It is an amenable number.

613432220 is an abundant number, since it is smaller than the sum of its proper divisors (675315604).

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

613432220 is a wasteful number, since it uses less digits than its factorization.

613432220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12869 (or 12867 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 613432220 is about 24767.5638688992. The cubic root of 613432220 is about 849.6802580547.

Adding to 613432220 its reverse (22234316), we get a palindrome (635666536).

The spelling of 613432220 in words is "six hundred thirteen million, four hundred thirty-two thousand, two hundred twenty".