220067028738 has 30 divisors (see below), whose sum is σ = 493126536441. Its totient is φ = 73353685968.

The previous prime is 220067028719. The next prime is 220067028739. The reversal of 220067028738 is 837820760022.

It can be written as a sum of positive squares in 2 ways, for example, as 217619451009 + 2447577729 = 466497^2 + 49473^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=331713.

It is a junction number, because it is equal to n+sod(n) for n = 220067028693 and 220067028702.

It is not an unprimeable number, because it can be changed into a prime (220067028739) by changing a digit.

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 14 ways as a sum of consecutive naturals, for example, 5952406 + ... + 5989262.

Almost surely, 2^220067028738 is an apocalyptic number.

220067028738 is an abundant number, since it is smaller than the sum of its proper divisors (273059507703).

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

220067028738 is an frugal number, since it uses more digits than its factorization.

220067028738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73728 (or 36862 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 220067028738 in words is "two hundred twenty billion, sixty-seven million, twenty-eight thousand, seven hundred thirty-eight".