20438463283202 has 8 divisors (see below), whose sum is σ = 31486281274236. Its totient is φ = 9943036191792.

The previous prime is 20438463283201. The next prime is 20438463283213. The reversal of 20438463283202 is 20238236483402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17926171712761 + 2512291570441 = 4233931^2 + 1585021^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20438463283201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138097724813 + ... + 138097724960.

Almost surely, 2^{20438463283202} is an apocalyptic number.

20438463283202 is a deficient number, since it is larger than the sum of its proper divisors (11047817991034).

20438463283202 is a wasteful number, since it uses less digits than its factorization.

20438463283202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276195449812.

The product of its (nonzero) digits is 2654208, while the sum is 47.

The spelling of 20438463283202 in words is "twenty trillion, four hundred thirty-eight billion, four hundred sixty-three million, two hundred eighty-three thousand, two hundred two".