20656125244230 has 32 divisors (see below), whose sum is σ = 56656800670464. Its totient is φ = 4721400055776.

The previous prime is 20656125244217. The next prime is 20656125244243. The reversal of 20656125244230 is 3244252165602.

It is an interprime number because it is at equal distance from previous prime (20656125244217) and next prime (20656125244243).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49181250372 + ... + 49181250791.

It is an arithmetic number, because the mean of its divisors is an integer number (1770525020952).

Almost surely, 2^{20656125244230} is an apocalyptic number.

20656125244230 is an abundant number, since it is smaller than the sum of its proper divisors (36000675426234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20656125244230 is a wasteful number, since it uses less digits than its factorization.

20656125244230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98362501180.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 20656125244230 in words is "twenty trillion, six hundred fifty-six billion, one hundred twenty-five million, two hundred forty-four thousand, two hundred thirty".