220312055520651 has 16 divisors (see below), whose sum is σ = 306522173986560. Its totient is φ = 140488364253600.

The previous prime is 220312055520647. The next prime is 220312055520659. The reversal of 220312055520651 is 156025550213022.

It is not a de Polignac number, because 220312055520651 - 2² = 220312055520647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220312055520659) 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, 15307201 + ... + 25979501.

It is an arithmetic number, because the mean of its divisors is an integer number (19157635874160).

Almost surely, 2^{220312055520651} is an apocalyptic number.

220312055520651 is a deficient number, since it is larger than the sum of its proper divisors (86210118465909).

220312055520651 is a wasteful number, since it uses less digits than its factorization.

220312055520651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10971506.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 220312055520651 in words is "two hundred twenty trillion, three hundred twelve billion, fifty-five million, five hundred twenty thousand, six hundred fifty-one".