20338704532 has 12 divisors (see below), whose sum is σ = 35674936276. Its totient is φ = 10145865600.

The previous prime is 20338704521. The next prime is 20338704583. The reversal of 20338704532 is 23540783302.

It can be written as a sum of positive squares in 2 ways, for example, as 8701904656 + 11636799876 = 93284^2 + 107874^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20338704491 and 20338704500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5869719 + ... + 5873182.

Almost surely, 2^20338704532 is an apocalyptic number.

It is an amenable number.

20338704532 is a deficient number, since it is larger than the sum of its proper divisors (15336231744).

20338704532 is a wasteful number, since it uses less digits than its factorization.

20338704532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11743338 (or 11743336 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 20338704532 in words is "twenty billion, three hundred thirty-eight million, seven hundred four thousand, five hundred thirty-two".