20343188435 has 8 divisors (see below), whose sum is σ = 25199304576. Its totient is φ = 15749565120.

The previous prime is 20343188429. The next prime is 20343188441. The reversal of 20343188435 is 53488134302.

It is an interprime number because it is at equal distance from previous prime (20343188429) and next prime (20343188441).

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

It is not a de Polignac number, because 20343188435 - 2²² = 20338994131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20343188392 and 20343188401.

It is an unprimeable number.

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, 65623034 + ... + 65623343.

It is an arithmetic number, because the mean of its divisors is an integer number (3149913072).

Almost surely, 2^20343188435 is an apocalyptic number.

20343188435 is a deficient number, since it is larger than the sum of its proper divisors (4856116141).

20343188435 is a wasteful number, since it uses less digits than its factorization.

20343188435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131246413.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 20343188435 in words is "twenty billion, three hundred forty-three million, one hundred eighty-eight thousand, four hundred thirty-five".