220626252764 has 12 divisors (see below), whose sum is σ = 387114667800. Its totient is φ = 110022061968.

The previous prime is 220626252757. The next prime is 220626252823. The reversal of 220626252764 is 467252626022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72764399 + ... + 72767430.

It is an arithmetic number, because the mean of its divisors is an integer number (32259555650).

Almost surely, 2^220626252764 is an apocalyptic number.

It is an amenable number.

220626252764 is a deficient number, since it is larger than the sum of its proper divisors (166488415036).

220626252764 is a wasteful number, since it uses less digits than its factorization.

220626252764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145532212 (or 145532210 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 44.

Adding to 220626252764 its reverse (467252626022), we get a palindrome (687878878786).

The spelling of 220626252764 in words is "two hundred twenty billion, six hundred twenty-six million, two hundred fifty-two thousand, seven hundred sixty-four".