20352124236434 has 4 divisors (see below), whose sum is σ = 30528186354654. Its totient is φ = 10176062118216.

The previous prime is 20352124236413. The next prime is 20352124236463. The reversal of 20352124236434 is 43463242125302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17504140602025 + 2847983634409 = 4183795^2 + 1687597^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20352124236391 and 20352124236400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5088031059107 + ... + 5088031059110.

Almost surely, 2^{20352124236434} is an apocalyptic number.

20352124236434 is a deficient number, since it is larger than the sum of its proper divisors (10176062118220).

20352124236434 is a wasteful number, since it uses less digits than its factorization.

20352124236434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10176062118219.

The product of its (nonzero) digits is 829440, while the sum is 41.

The spelling of 20352124236434 in words is "twenty trillion, three hundred fifty-two billion, one hundred twenty-four million, two hundred thirty-six thousand, four hundred thirty-four".