220887042682 has 4 divisors (see below), whose sum is σ = 331330564026. Its totient is φ = 110443521340.

The previous prime is 220887042659. The next prime is 220887042689. The reversal of 220887042682 is 286240788022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 184383501201 + 36503541481 = 429399^2 + 191059^2 .

It is not an unprimeable number, because it can be changed into a prime (220887042689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55221760669 + ... + 55221760672.

Almost surely, 2^220887042682 is an apocalyptic number.

220887042682 is a deficient number, since it is larger than the sum of its proper divisors (110443521344).

220887042682 is a wasteful number, since it uses less digits than its factorization.

220887042682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110443521343.

The product of its (nonzero) digits is 1376256, while the sum is 49.

The spelling of 220887042682 in words is "two hundred twenty billion, eight hundred eighty-seven million, forty-two thousand, six hundred eighty-two".