20414255563 has 32 divisors (see below), whose sum is σ = 23535267840. Its totient is φ = 17563029120.

The previous prime is 20414255437. The next prime is 20414255573. The reversal of 20414255563 is 36555241402.

It is a de Polignac number, because none of the positive numbers 2^k-20414255563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20414255573) 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, 5175370 + ... + 5179312.

It is an arithmetic number, because the mean of its divisors is an integer number (735477120).

Almost surely, 2^20414255563 is an apocalyptic number.

20414255563 is a deficient number, since it is larger than the sum of its proper divisors (3121012277).

20414255563 is a wasteful number, since it uses less digits than its factorization.

20414255563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 20414255563 its reverse (36555241402), we get a palindrome (56969496965).

The spelling of 20414255563 in words is "twenty billion, four hundred fourteen million, two hundred fifty-five thousand, five hundred sixty-three".