634634030220 has 48 divisors (see below), whose sum is σ = 1777011596640. Its totient is φ = 169232283136.

The previous prime is 634634030213. The next prime is 634634030237. The reversal of 634634030220 is 22030436436.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4421746 + ... + 4563014.

It is an arithmetic number, because the mean of its divisors is an integer number (37021074930).

Almost surely, 2^634634030220 is an apocalyptic number.

634634030220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

634634030220 is an abundant number, since it is smaller than the sum of its proper divisors (1142377566420).

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

634634030220 is a wasteful number, since it uses less digits than its factorization.

634634030220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216154 (or 216152 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 634634030220 its reverse (22030436436), we get a palindrome (656664466656).

The spelling of 634634030220 in words is "six hundred thirty-four billion, six hundred thirty-four million, thirty thousand, two hundred twenty".