220886644429 has 16 divisors (see below), whose sum is σ = 248502919680. Its totient is φ = 194622190000.

The previous prime is 220886644423. The next prime is 220886644469. The reversal of 220886644429 is 924446688022.

It is a cyclic number.

It is not a de Polignac number, because 220886644429 - 2³³ = 212296709837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220886644429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220886644423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2350747 + ... + 2442904.

It is an arithmetic number, because the mean of its divisors is an integer number (15531432480).

Almost surely, 2^220886644429 is an apocalyptic number.

It is an amenable number.

220886644429 is a deficient number, since it is larger than the sum of its proper divisors (27616275251).

220886644429 is a wasteful number, since it uses less digits than its factorization.

220886644429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4793792.

The product of its (nonzero) digits is 10616832, while the sum is 55.

The spelling of 220886644429 in words is "two hundred twenty billion, eight hundred eighty-six million, six hundred forty-four thousand, four hundred twenty-nine".