20732605222 has 32 divisors (see below), whose sum is σ = 35870655744. Its totient is φ = 8803360800.

The previous prime is 20732605217. The next prime is 20732605241. The reversal of 20732605222 is 22250623702.

It is a happy number.

It is a congruent 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, 1170472 + ... + 1188052.

It is an arithmetic number, because the mean of its divisors is an integer number (1120957992).

Almost surely, 2^20732605222 is an apocalyptic number.

20732605222 is a deficient number, since it is larger than the sum of its proper divisors (15138050522).

20732605222 is a wasteful number, since it uses less digits than its factorization.

20732605222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18364.

The product of its (nonzero) digits is 20160, while the sum is 31.

The spelling of 20732605222 in words is "twenty billion, seven hundred thirty-two million, six hundred five thousand, two hundred twenty-two".