20202254463 has 8 divisors (see below), whose sum is σ = 26943558400. Its totient is φ = 13464560088.

The previous prime is 20202254459. The next prime is 20202254483. The reversal of 20202254463 is 36445220202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20202254463 - 2² = 20202254459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20202254463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202254483) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 889303 + ... + 911736.

It is an arithmetic number, because the mean of its divisors is an integer number (3367944800).

Almost surely, 2^20202254463 is an apocalyptic number.

20202254463 is a deficient number, since it is larger than the sum of its proper divisors (6741303937).

20202254463 is a wasteful number, since it uses less digits than its factorization.

20202254463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804781.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 20202254463 its reverse (36445220202), we get a palindrome (56647474665).

The spelling of 20202254463 in words is "twenty billion, two hundred two million, two hundred fifty-four thousand, four hundred sixty-three".