20227631468430 has 64 divisors (see below), whose sum is σ = 50602533189120. Its totient is φ = 5169918213504.

The previous prime is 20227631468383. The next prime is 20227631468437. The reversal of 20227631468430 is 3486413672202.

It is a self number, because there is not a number n which added to its sum of digits gives 20227631468430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20227631468437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135918850 + ... + 136067589.

It is an arithmetic number, because the mean of its divisors is an integer number (790664581080).

Almost surely, 2^{20227631468430} is an apocalyptic number.

20227631468430 is an abundant number, since it is smaller than the sum of its proper divisors (30374901720690).

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

20227631468430 is a wasteful number, since it uses less digits than its factorization.

20227631468430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271986553.

The product of its (nonzero) digits is 2322432, while the sum is 48.

The spelling of 20227631468430 in words is "twenty trillion, two hundred twenty-seven billion, six hundred thirty-one million, four hundred sixty-eight thousand, four hundred thirty".