20420244204363 has 24 divisors (see below), whose sum is σ = 29510141918400. Its totient is φ = 13606928342640.

The previous prime is 20420244204361. The next prime is 20420244204389. The reversal of 20420244204363 is 36340244202402.

20420244204363 is a `hidden beast` number, since 2 + 0 + 4 + 202 + 442 + 0 + 4 + 3 + 6 + 3 = 666.

It is not a de Polignac number, because 20420244204363 - 2¹ = 20420244204361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20420244204361) 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, 167182288 + ... + 167304386.

It is an arithmetic number, because the mean of its divisors is an integer number (1229589246600).

Almost surely, 2^{20420244204363} is an apocalyptic number.

20420244204363 is a deficient number, since it is larger than the sum of its proper divisors (9089897714037).

20420244204363 is a wasteful number, since it uses less digits than its factorization.

20420244204363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130919 (or 130916 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 20420244204363 its reverse (36340244202402), we get a palindrome (56760488406765).

The spelling of 20420244204363 in words is "twenty trillion, four hundred twenty billion, two hundred forty-four million, two hundred four thousand, three hundred sixty-three".