220245186123 has 6 divisors (see below), whose sum is σ = 318131935524. Its totient is φ = 146830124076.

The previous prime is 220245186121. The next prime is 220245186127. The reversal of 220245186123 is 321681542022.

220245186123 is a `hidden beast` number, since 2 + 2 + 0 + 2 + 451 + 86 + 123 = 666.

It is not a de Polignac number, because 220245186123 - 2¹ = 220245186121 is a prime.

It is a super-2 number, since 2×220245186123² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220245186121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12235843665 + ... + 12235843682.

It is an arithmetic number, because the mean of its divisors is an integer number (53021989254).

Almost surely, 2^220245186123 is an apocalyptic number.

220245186123 is a deficient number, since it is larger than the sum of its proper divisors (97886749401).

220245186123 is a wasteful number, since it uses less digits than its factorization.

220245186123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24471687353 (or 24471687350 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 220245186123 in words is "two hundred twenty billion, two hundred forty-five million, one hundred eighty-six thousand, one hundred twenty-three".