10656020223 has 24 divisors (see below), whose sum is σ = 16311293856. Its totient is φ = 6680448000.

The previous prime is 10656020201. The next prime is 10656020233. The reversal of 10656020223 is 32202065601.

10656020223 is a `hidden beast` number, since 1 + 0 + 656 + 0 + 2 + 0 + 2 + 2 + 3 = 666.

It is not a de Polignac number, because 10656020223 - 2⁸ = 10656019967 is a prime.

It is a super-2 number, since 2×10656020223² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10656020233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154758 + ... + 212748.

It is an arithmetic number, because the mean of its divisors is an integer number (679637244).

Almost surely, 2^10656020223 is an apocalyptic number.

10656020223 is a deficient number, since it is larger than the sum of its proper divisors (5655273633).

10656020223 is a wasteful number, since it uses less digits than its factorization.

10656020223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59215 (or 59212 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 10656020223 its reverse (32202065601), we get a palindrome (42858085824).

The spelling of 10656020223 in words is "ten billion, six hundred fifty-six million, twenty thousand, two hundred twenty-three".