220890902846 has 16 divisors (see below), whose sum is σ = 332328134880. Its totient is φ = 110114986080.

The previous prime is 220890902809. The next prime is 220890902851. The reversal of 220890902846 is 648209098022.

It is a super-3 number, since 3×220890902846³ (a number of 35 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220890902794 and 220890902803.

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 7 ways as a sum of consecutive naturals, for example, 3748160 + ... + 3806636.

It is an arithmetic number, because the mean of its divisors is an integer number (20770508430).

Almost surely, 2^220890902846 is an apocalyptic number.

220890902846 is a deficient number, since it is larger than the sum of its proper divisors (111437232034).

220890902846 is a wasteful number, since it uses less digits than its factorization.

220890902846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64099.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 220890902846 in words is "two hundred twenty billion, eight hundred ninety million, nine hundred two thousand, eight hundred forty-six".